English-Wörter für 'a surface whose plane sections are all ellipses or circles'
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noun
- a surface whose plane sections are all ellipses or circles
- (mathematics, geometry) A surface, all of whose cross sections are elliptic or circular (including the sphere), that generalises the ellipse and in Cartesian coordinates (x, y, z) is a quadric with equation x²/a² + y²/b² + z²/c² = 1.
- (geography) Such a surface used as a model of the shape of the earth.
adj
noun
- (geometry) The surface described by the circumference of a circle revolving about a straight line in its own plane.
- The solid enclosed by such a surface; an anchor ring.
- The dead grass that remains on mowing land in winter and spring.
- (architecture) Alternative form of torus.
- commonly the lowest molding at the base of a column
verb
noun
- (geometry) A plane figure bounded by edges that are all straight lines.
- a closed plane figure bounded by straight sides
- (geometry, more generally) A figure comprising vertices and (not necessarily straight) edges, alternatingly.
- (geometry) The boundary of such a figure.
- (geometry) Such a figure and its interior, taken as a whole.
noun
- (geometry) A similar point on a surface, where there is more than one tangent-plane.
- (rare) The knot, intrigue, or plot of a dramatic work.
- (syntax) A point in a parse tree that can be assigned a syntactic category label.
- (physics) A point along a standing wave where the wave has minimal amplitude.
- (engineering) The point at which the lines of a funicular machine meet from different angular directions.
- (botany) A leaf node.
- (biology) A point in a cladogram from which two clades branch, representing the presumed ancestor.
- (astronomy) The point where the orbit of a planet, as viewed from the Sun, intersects the ecliptic. The ascending and descending nodes refer respectively to the points where the planet moves from South to North and N to S; their respective symbols are ☊ and ☋.
- (geometry) The point at which a curve crosses itself, being a double point of the curve. See crunode and acnode.
- (medicine) A hard concretion or incrustation which forms upon bones attacked with rheumatism, gout, or syphilis; sometimes also, a swelling in the neighborhood of a joint.
- (computational linguistics) The word of interest in a KWIC, surrounded by left and right cotexts.
- A knot, knob, protuberance or swelling.
- (electronics) A region of an electric circuit connected only by (ideal) wires (i.e. the voltage between any two points on the same node must be zero).
- (networking) A computer or other device attached to a network.
- (technical) A hole in the gnomon of a sundial, through which passes the ray of light which marks the hour of the day, the parallels of the Sun's declination, its place in the ecliptic, etc.
- (graph theory) A vertex or a leaf in a graph of a network, or other element in a data structure.
- (computer science) any computer that is hooked up to a computer network
- a connecting point at which several lines come together
- (botany) the small swelling that is the part of a plant stem from which one or more leaves emerge
- the source of lymph and lymphocytes
- (physics) the point of minimum displacement in a periodic system
- (astronomy) a point where an orbit crosses a plane
- any bulge or swelling of an anatomical structure or part
- any thickened enlargement
noun
- a plane figure bounded by two radii and the included arc of a circle
- the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes
- a social group that forms part of the society or the economy
- measuring instrument consisting of two graduated arms hinged at one end
- a portion of a military position
- a particular aspect of life or activity
- (climbing) An area of a crag, consisting of various routes
- (geometry) A portion of a sphere or ball defined by a conical boundary with apex at the center of the sphere.
- (motor racing) A fixed, continuous section of the track, such that sectors do not overlap but all sectors make up the whole track.
- (engineering) A toothed gear whose face is the arc of a circle.
- (military) One of the subdivisions of a coastal frontier.
- A field of economic activity.
- (aviation) In the schedule for an aircraft and its crew, the period starting with preparation of the plane before loading at one airport and ending with deplaning at the next.
- (micronationalism) A community or subculture within the wider intermicronational community.
- (geometry) Part of a circle, extending to the center; circular sector.
- A section.
- (science fiction) a fictional region of space designated for navigational or governance purposes.
- (military) An area designated by boundaries within which a unit operates, and for which it is responsible.
- (computer hardware) A fixed-sized unit (traditionally 512 bytes) of sequential data stored on a track of a digital medium.
- (calculation) An instrument consisting of two rulers of equal length joined by a hinge.
noun
- a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center
- (geometry) A circle defined as the intersection of the surface of a sphere and a plane which passes through the centre of the sphere.
- A segment of such circle representing the shortest distance between two points on the surface of a sphere.
noun
- ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point
- something approximating the shape of a circle
- a road junction at which traffic streams circularly around a central island
- an unofficial association of people or groups
- any circular or rotating mechanism
- a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra
- street names for flunitrazepam
- movement once around a course
- A territorial division or district.
- (cricket) A line comprising two semicircles of 30 yards radius centred on the wickets joined by straight lines parallel to the pitch used to enforce field restrictions in a one-day match.
- A series ending where it begins, and repeating itself.
- Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures.
- (geometry) A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).
- (in the plural) A bagginess of the skin below the eyes from lack of sleep.
- (South Africa, Philippines, India, Dundee) A traffic circle or roundabout.
- (colloquial) A two-dimensional geometric figure, a disk, consisting of the set of all those points of a plane at a distance less than or equal to a fixed distance (radius) from a given point.
- (astronomy) An instrument of observation, whose graduated limb consists of an entire circle. When fixed to a wall in an observatory, it is called a mural circle; when mounted with a telescope on an axis and in Y's, in the plane of the meridian, a meridian or transit circle; when involving the principle of reflection, like the sextant, a reflecting circle; and when that of repeating an angle several times continuously along the graduated limb, a repeating circle.
- A specific group of persons; especially one who shares a common interest.
- Indirect form of words; circumlocution.
- Any thin three-dimensional equivalent of the geometric figures.
- The orbit of an astronomical body.
- (logic) A form of argument in which two or more unproved statements are used to prove each other; inconclusive reasoning.
- (Wicca) A ritual circle that is cast three times deosil and closes three times widdershins either in the air with a wand or literally with stones or other items used for worship.
- A curve that more or less forms part or all of a circle.
verb
- form or draw a circle around
- travel around something
- move in a circular path above (someone or something)
- (transitive) To travel around along a curved path.
- (transitive) To surround.
- (intransitive, paganism) To take part in a magic circle.
- (intransitive) To travel in circles.
- (transitive) To place or mark a circle around.
noun
- a plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve
- (rhetoric) Synonym of parable.
- (geometry) The conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix).
noun
- a convex molding having a cross section in the form of a quarter of a circle or of an ellipse
- the thick short innermost digit of the forelimb
- the part of a glove that provides a covering for the thumb
- A top hatch plate for covering an excavator bucket, used to keep material in the digger bucket after scooping it up, and not letting it spill out.
- (colloquial, Internet) A thumbnail picture.
- (graphical user interface) The part of a slider that may be moved linearly along the slider.
- The shortest and thickest digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers.
verb
- look through a book or other written material
- travel by getting free rides from motorists
- feel or handle with the fingers
- To fire (a single action revolver) quickly by pulling the hammer while keeping the trigger depressed.
- (transitive, with through) To turn the pages of (a book) in order to read it cursorily.
- (transitive) To touch or cover with the thumb.
- To soil or wear with the thumb or the fingers; to soil, or wear out, by frequent handling.
- To gesture with the thumb, for example when flagging a ride.
- (travel) To hitchhike.
- To manipulate (an object) with the thumb; especially, to pull back the hammer or open the cylinder of a revolver.
noun
- a line segment forming part of the perimeter of a plane figure
- a lengthwise dressed half of an animal's carcass used for food
- a place within a region identified relative to a center or reference location
- a surface forming part of the outside of an object
- an elevated geological formation
- either the left or right half of a body
- one of two or more contesting groups
- an aspect of something (as contrasted with some other implied aspect)
- a family line of descent
- an opinion that is held in opposition to another in an argument or dispute
- (sports) the spin given to a ball by striking it on one side or releasing it with a sharp twist
- an extended outer surface of an object
- One set of competitors in a game.
- One surface of a sheet of paper (used instead of "page", which can mean one or both surfaces.)
- The portion of the human torso usually covered by the arms when they are not raised; the areas on the left and right between the belly or chest and the back.
- One half (left or right, top or bottom, front or back, etc.) of something or someone.
- A bounding straight edge of a two-dimensional shape.
- A group having a particular allegiance in a conflict or competition.
- (sports, billiards, snooker, pool) Sidespin; english
- (LGBTQ, slang) A man who prefers not to engage in anal sex during same-sex sexual activity.
- A flat surface of a three-dimensional object; a face.
- (music) A recorded piece of music; a record, especially in jazz.
- One possible aspect of a concept, person, or thing.
- A group of morris dancers who perform together.
- (baseball) The batters faced in an inning by a particular pitcher.
- (drama) A written monologue or part of a scene to be read by an actor at an audition.
- A line of descent traced through a particular relative, usually a parent or spouse, as distinguished from that traced through another.
- A region in a specified position with respect to something.
- (UK, Australia, Ireland) A sports team.
- (US, Canada, Philippines, colloquial) A dish that accompanies the main course; a side dish.
adj
verb
- take sides for or against
- To lean on one side.
- (transitive, shipbuilding) To work (a timber or rib) to a certain thickness by trimming the sides.
- (intransitive) To ally oneself, be in an alliance, usually with "with" or rarely "in with"
- (transitive, cooking) To provide with, as a side or accompaniment.
- (transitive) To furnish with a siding.
- To clear, tidy or sort.
adv
noun
- a line enclosing a plane areas
- the size of something as given by the distance around it
- the boundary line or the area immediately inside the boundary
- An instrument for determining the extent and shape of the field of vision.
- (mathematics) The sum of the distance of all the lengths of the sides of an object.
- A fortified strip or boundary usually protecting a military position.
- (mathematics) The length of such a boundary.
- The outer limits of an area.
noun
- a section created by a plane cutting a solid perpendicular to its longest axis
- A section formed by a plane cutting through an object, usually at right angles to an axis.
- a sample meant to be representative of a whole population
- (physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns
- (physics) The probability that a particular nuclear reaction will take place.
- (mathematics, statistics) A sample meant to be representative of a whole population.
noun
- a plane curve traced by a point circling about the center but at increasing distances from the center
- ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
- flying downward in a helical path with a large radius
- a structure consisting of something wound in a continuous series of loops
- a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
- a continuously accelerating change in the economy
- (geometry) A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point.
- (informal) A helix.
- A self-sustaining process with a lot of momentum involved, so it is difficult to accelerate or stop it at once.
- (rail transport) A section of track that forms a circle and crosses over itself, used for gaining height in mountainous territory.
adj
verb
noun
adj
- (bookmaking) Having the horizontal axis of a page longer than the vertical; In landscape orientation.
- Roughly rectangular or elliptical.
- Having a length and width that are different; not square or circular.
- deviating from a square or circle or sphere by being elongated in one direction
- (of a leaf shape) having a somewhat elongated form with approximately parallel sides
verb
noun
adj
noun
intj
verb
noun
- a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
- ratio of the opposite to the adjacent side of a right-angled triangle
- (mathematics) A function of an angle that gives the ratio of the sine to the cosine, in either the real or complex numbers. Symbols: tan, tg.
- A topic nearly unrelated to the main topic, but having a point in common with it.
- (art) A visual interaction between two or more lines or edges that creates a perceived relationship between them, often in a way that the artist did not intend.
- (music) A small metal blade in a clavichord that strikes the strings to produce sound.
- (differential geometry) A straight line touching a curve at a single point without crossing it there.
adj
adj
- (of a leaf shape) in the form of an ellipse
- rounded like an egg
- characterized by extreme economy of expression or omission of superfluous elements
- (mathematics) Of or pertaining to a broad field of mathematics that originates from the problem of calculating arc lengths of an ellipse.
- (botany, of leaves) Oval, with a short or no point.
- (linguistics) Of, or showing ellipsis; having a word or words omitted; elliptical.
- (geometry) Of or pertaining to an ellipse.
- (mathematics, in combination, of certain functions, equations and operators) That has coefficients satisfying a condition analogous to the condition for the general equation for a conic section to be of an ellipse.
noun
noun
- an approximately triangular surface area between two adjacent arches and the horizontal plane above them
- An oriental rug having a pattern of arches; the design in the corners of such a rug, especially in a prayer rug.
- (architecture) Horizontal member between the windows of successive storeys of a tall building.
- (evolutionary theory) A phenotypic characteristic that evolved as a side effect of an adaptation in response to evolutionary pressure.
- (architecture) The space (often more or less triangular) between the outer curve of an arch (the extrados) and a straight-sided figure that bounds it; the space between two contiguous arches and a straight feature above them.
- (architecture) The triangular space under a stair; the material that fills the space.
- (Philippines, construction, architecture) soffit (usually used to describe metal or corrugated plastic types of roof soffit)
noun
- a shape whose base is a circle and whose sides taper up to a point
- cone-shaped mass of ovule- or spore-bearing scales or bracts
- a visual receptor cell in the retina that is sensitive to bright light and to color
- any cone-shaped artifact
- An ice cream cone.
- The fruit of a conifer.
- (anatomy) Any of the small cone-shaped structures in the retina.
- (topology) A space formed by taking the direct product of a given space with a closed interval and identifying all of one end to a point.
- A unit of volume, applied solely to marijuana and only while it is in a smokable state; roughly 1.5 cubic centimetres, depending on use.
- (slang, by extension) A passenger on a cruise ship (that needs to be navigated around).
- (slang) A cone-shaped cannabis joint.
- (geometry) A surface of revolution formed by rotating a segment of a line around another line that intersects the first line.
- (slang) The process of smoking cannabis in a bong.
- (slang) The bowl piece on a bong.
- A traffic cone.
- A cone-shaped flower head of various plants, such as banksias and proteas.
- (geometry) A solid of revolution formed by rotating a triangle around one of its altitudes.
- A shell of the genus Conus, having a conical form.
- (computing theory) A set of formal languages with certain desirable closure properties, in particular those of the regular languages, the context-free languages and the recursively enumerable languages.
- (category theory) An object V together with an arrow going from V to each object of a diagram such that for any arrow A in the diagram, the pair of arrows from V which subtend A also commute with it. (Then V can be said to be the cone’s vertex and the diagram which the cone subtends can be said to be its base.)
verb
noun
adj
adj
noun
noun
- (geometry) The curved surface of a frustum of a sphere, the portion of surface of a sphere delimited by parallel planes.
- (geometry, loosely, perhaps by meronymy) A frustum of a sphere.
- A band or stripe extending around a body.
- (crystallography) A series of planes having mutually parallel intersections.
- A band or area of growth encircling anything.
- (networking) That collection of a domain's DNS resource records, the domain and its subdomains, that are not delegated to another authority.
- (now literary) A belt or girdle.
- (ice hockey) Every of the three parts of an ice rink, divided by two blue lines.
- (basketball, American football) A defensive scheme where defenders guard a particular area of the court or field, as opposed to a particular opposing player.
- (baseball, informal) The strike zone.
- (by extension) A restricted category or virtual place.
- Any given region or area of the world.
- (handball) A semicircular area in front of each goal.
- (figurative, chiefly sports) A mental state of high concentration and performance; see: in the zone.
- A given area distinguished on the basis of a particular characteristic, use, restriction, etc.
- A circuit; a circumference.
- (anatomy) any encircling or beltlike structure
- any of the regions of the surface of the Earth loosely divided according to latitude or longitude
- a locally circumscribed place characterized by some distinctive features
- an area or region distinguished from adjacent parts by a distinctive feature or characteristic
verb
- (transitive) To divide into or assign to sections or areas.
- (transitive) To define the property use classification of (an area).
- (intransitive, slang) To enter a daydream state temporarily, for instance as a result of boredom, fatigue, or intoxication; to doze off.
- To assign to a restricted category.
- regulate housing in; of certain areas of towns
- separate or apportion into sections
noun
- (geometry) A multi-dimensional manifold of a certain type, a generalization of the ellipse and ellipsoid.
- (geometry) Specifically, a superellipse with an exponent (shape parameter) greater than that of the ellipse (two).
- (geometry) A superellipse: a curve in two dimensions of a certain type, a generalization of the ellipse.
noun
- (mathematics) One of the four regions of the Cartesian plane bounded by the x-axis and y-axis.
- any of the four areas into which a plane is divided by two orthogonal coordinate axes
- (geometry) One fourth of a circle or disc; a sector with an angle of 90°.
- (college basketball) One of the four categories of team wins and losses, as categorized by strength of schedule.
- (nautical) A measuring device with a graduated arc of 90° used in locating an altitude.
- One of the four sections made by dividing an area with two perpendicular lines.
- a measuring instrument for measuring altitude of heavenly bodies
- a quarter of the circumference of a circle
- the area enclosed by two perpendicular radii of a circle
noun
- (geometry) The region in a plane between two concentric circles of different radii.
- (anatomy) A ring of fibrous tissue; specifically (cardiology), such a ring around an opening of a heart valve, to which the valve leaflets and muscle fibres of the atria and ventricles are attached; an annulus fibrosus cordis.
- (technology) In a well such as an oil well or water well: the space between a pipe or tube and any pipe, tube, casing, or sides of a hole surrounding it.
- (mycology) The membranous remnants of a partial veil which leaves a ring on the stem of a mushroom.
- (astronomy) A ring of light in a celestial body, especially when caused by an annular eclipse (for example, when the Sun and Moon are in line with the Earth, but the Moon does not completely cover the Sun's disc).
- A ring- or donut-shaped area, object, or structure.
- (ichthyology) A dark ring on a fish's scale that is formed when a fish's growth rate slows down in the winter due to low food intake and the scale's circuli move closer to one another. The dark ring is used to estimate the fish's age, approximately one year per annulus.
- (topology) Any topological space homeomorphic to the region in a plane between two concentric circles of different radii.
- (botany) A structure surrounding a sporangium (or part of it) which shrinks and causes it to rupture for spore dispersal; specifically, in a fern: a structure around about two-thirds of the sporangium consisting of differentially thick-walled cells which dry and distort the sporangium; and in a moss: a complete ring of cells around the tip of the sporangium which dissolves to cause the tip to detach.
- (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
- a toroidal shape
noun
- (geometry) The line perpendicularly connecting a figure’s vertex, especially a triangle’s apex, to the side opposite to the vertex.
- (astronomy) The angular distance of a heavenly body above our Earth's horizon.
- (commutative algebra, of an ideal) Height.
- Highest point or degree.
- The absolute height of a location, usually measured from sea level.
- (geometry) The length of such a line; the distance measured perpendicularly from a figure's vertex to the side opposite to the vertex.
- Height of rank or excellence; superiority.
- A vertical distance.
- elevation especially above sea level or above the earth's surface
- angular distance above the horizon (especially of a celestial object)
- the perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel)
adj
- of a surface exactly even with an adjoining one, forming the same plane
- having an abundant supply of money or possessions of value
- Wealthy or well off.
- (typography) Ellipsis of flush left and right: a body of text aligned with both its left and right margins.
- Full of vigor; fresh; glowing; bright.
- Smooth, even, aligned; not sticking out.
- Affluent; abounding; well furnished or supplied; hence, liberal; prodigal.
noun
- a poker hand with all 5 cards in the same suit
- the period of greatest prosperity or productivity
- the swift release of a store of affective force
- sudden reddening of the face (as from embarrassment or guilt or shame or modesty)
- a sudden rapid flow (as of water)
- sudden brief sensation of heat (associated with menopause and some mental disorders)
- a rosy color (especially in the cheeks) taken as a sign of good health
- A suffusion of the face with blood, as from fear, shame, modesty, or intensity of feeling of any kind; a blush; a glow.
- A sudden flood or rush of feeling; a thrill of excitement, animation, etc.
- Particularly, such a cleansing of a toilet.
- A sudden flowing; a rush which fills or overflows, as of water for cleansing purposes.
- A group of birds that have suddenly started up from undergrowth, trees, etc.
- Any tinge of red color like that produced on the cheeks by a sudden rush of blood.
- (skiing) A line of poles or obstacles that a skier must weave between.
- A groundwater-fed marsh or peaty mire (which may be acidic or basic, nutrient-rich or poor); (originally especially Scotland and Northern England) a (marshy) pool or seep, as in a field.
- (poker) A hand consisting of all cards with the same suit.
- (computing) The process of clearing the contents of a buffer or cache.
adv
verb
- cause to flow through something
- rinse, clean, or empty with a liquid
- cause to flow or flood with or as if with water
- make level or straight
- irrigate with water from a sluice
- glow or cause to glow with warm color or light
- turn red, as if in embarrassment or shame
- (intransitive) To take suddenly to flight, especially from cover.
- (transitive, computing) To clear (a buffer or cache) of its contents.
- To cause to be full; to flood; to overflow; to overwhelm with water.
- (intransitive) To become suffused with reddish color due to embarrassment, excitement, overheating, or other systemic disturbance, to blush.
- To flow and spread suddenly; to rush.
- (transitive) To cause to take flight from concealment.
- (intransitive, of a toilet) To be cleansed by being flooded with generous quantities of water.
- (mining, intransitive) To operate a placer mine, where the continuous supply of water is insufficient, by holding back the water, and releasing it periodically in a flood.
- (transitive) Particularly, to cleanse a toilet by introducing a large amount of water.
- (transitive) To cleanse by flooding with generous quantities of a fluid.
- (Singapore, chiefly military) To move, shift or align to one side.
- (transitive) To excite, inflame.
- (intransitive, transitive) To dispose or be disposed of by flushing down a toilet.
- (masonry) To fill in (joints); to point the level; to make them flush.
- To show red; to shine suddenly; to glow.
- (mining) To fill underground spaces, especially in coal mines, with material carried by water, which, after drainage, constitutes a compact mass.
- (transitive) To cause to blush.
- (transitive, computing, of data held in a buffer or cache) To write (the data) to primary storage, clearing it from the buffer or cache.
noun
noun
- (mathematics) A square tiling of the plane.
- A choreographed dressage ride, commonly performed to music, with a minimum of four horses.
- (dance) A dance originating in the mid-1700s with four couples forming a square, rather much like the modern square dance.
- (music) The music for this dance.
- (card games) A Spanish trick-taking card game from the 1700s played with a 40-card deck.
- Quadrille ruled graph paper, quad paper.
- a square dance of 5 or more figures for 4 or more couples
- music for dancing the quadrille
adj
verb
noun
- An outline, boundary or border, usually of curved shape.
- (figurative) A general description giving the most important points.
- (linguistics) a speech sound which behaves as a single segment, but which makes an internal transition from one quality, place, or manner to another.
- A line on a map or chart delineating those points which have the same altitude or other plotted quantity: a contour line or isopleth; (metonymically) the landform or its surface.
- any spatial attributes (especially as defined by outline)
- a feature (or the order or arrangement of features) of anything having a complex structure
- a line drawn on a map connecting points of equal height
verb
noun
- an angle formed by two straight lines (in the same plane)
- (geometry) An angle formed by two intersecting straight lines.
- (geometry) An angle formed by two intersecting planes, measured by the angle between two intersecting straight lines that are in respective planes and perpendicular to the intersection of the planes.
noun
- a surface whose plane sections are all ellipses or circles
- (mathematics, geometry) A surface, all of whose cross sections are elliptic or circular (including the sphere), that generalises the ellipse and in Cartesian coordinates (x, y, z) is a quadric with equation x²/a² + y²/b² + z²/c² = 1.
- (geography) Such a surface used as a model of the shape of the earth.
adj
noun
- (geometry) The surface described by the circumference of a circle revolving about a straight line in its own plane.
- The solid enclosed by such a surface; an anchor ring.
- The dead grass that remains on mowing land in winter and spring.
- (architecture) Alternative form of torus.
- commonly the lowest molding at the base of a column
verb
noun
- (geometry) A plane figure bounded by edges that are all straight lines.
- a closed plane figure bounded by straight sides
- (geometry, more generally) A figure comprising vertices and (not necessarily straight) edges, alternatingly.
- (geometry) The boundary of such a figure.
- (geometry) Such a figure and its interior, taken as a whole.
noun
- (geometry) A similar point on a surface, where there is more than one tangent-plane.
- (rare) The knot, intrigue, or plot of a dramatic work.
- (syntax) A point in a parse tree that can be assigned a syntactic category label.
- (physics) A point along a standing wave where the wave has minimal amplitude.
- (engineering) The point at which the lines of a funicular machine meet from different angular directions.
- (botany) A leaf node.
- (biology) A point in a cladogram from which two clades branch, representing the presumed ancestor.
- (astronomy) The point where the orbit of a planet, as viewed from the Sun, intersects the ecliptic. The ascending and descending nodes refer respectively to the points where the planet moves from South to North and N to S; their respective symbols are ☊ and ☋.
- (geometry) The point at which a curve crosses itself, being a double point of the curve. See crunode and acnode.
- (medicine) A hard concretion or incrustation which forms upon bones attacked with rheumatism, gout, or syphilis; sometimes also, a swelling in the neighborhood of a joint.
- (computational linguistics) The word of interest in a KWIC, surrounded by left and right cotexts.
- A knot, knob, protuberance or swelling.
- (electronics) A region of an electric circuit connected only by (ideal) wires (i.e. the voltage between any two points on the same node must be zero).
- (networking) A computer or other device attached to a network.
- (technical) A hole in the gnomon of a sundial, through which passes the ray of light which marks the hour of the day, the parallels of the Sun's declination, its place in the ecliptic, etc.
- (graph theory) A vertex or a leaf in a graph of a network, or other element in a data structure.
- (computer science) any computer that is hooked up to a computer network
- a connecting point at which several lines come together
- (botany) the small swelling that is the part of a plant stem from which one or more leaves emerge
- the source of lymph and lymphocytes
- (physics) the point of minimum displacement in a periodic system
- (astronomy) a point where an orbit crosses a plane
- any bulge or swelling of an anatomical structure or part
- any thickened enlargement
noun
- a plane figure bounded by two radii and the included arc of a circle
- the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes
- a social group that forms part of the society or the economy
- measuring instrument consisting of two graduated arms hinged at one end
- a portion of a military position
- a particular aspect of life or activity
- (climbing) An area of a crag, consisting of various routes
- (geometry) A portion of a sphere or ball defined by a conical boundary with apex at the center of the sphere.
- (motor racing) A fixed, continuous section of the track, such that sectors do not overlap but all sectors make up the whole track.
- (engineering) A toothed gear whose face is the arc of a circle.
- (military) One of the subdivisions of a coastal frontier.
- A field of economic activity.
- (aviation) In the schedule for an aircraft and its crew, the period starting with preparation of the plane before loading at one airport and ending with deplaning at the next.
- (micronationalism) A community or subculture within the wider intermicronational community.
- (geometry) Part of a circle, extending to the center; circular sector.
- A section.
- (science fiction) a fictional region of space designated for navigational or governance purposes.
- (military) An area designated by boundaries within which a unit operates, and for which it is responsible.
- (computer hardware) A fixed-sized unit (traditionally 512 bytes) of sequential data stored on a track of a digital medium.
- (calculation) An instrument consisting of two rulers of equal length joined by a hinge.
noun
- a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center
- (geometry) A circle defined as the intersection of the surface of a sphere and a plane which passes through the centre of the sphere.
- A segment of such circle representing the shortest distance between two points on the surface of a sphere.
noun
- ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point
- something approximating the shape of a circle
- a road junction at which traffic streams circularly around a central island
- an unofficial association of people or groups
- any circular or rotating mechanism
- a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra
- street names for flunitrazepam
- movement once around a course
- A territorial division or district.
- (cricket) A line comprising two semicircles of 30 yards radius centred on the wickets joined by straight lines parallel to the pitch used to enforce field restrictions in a one-day match.
- A series ending where it begins, and repeating itself.
- Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures.
- (geometry) A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).
- (in the plural) A bagginess of the skin below the eyes from lack of sleep.
- (South Africa, Philippines, India, Dundee) A traffic circle or roundabout.
- (colloquial) A two-dimensional geometric figure, a disk, consisting of the set of all those points of a plane at a distance less than or equal to a fixed distance (radius) from a given point.
- (astronomy) An instrument of observation, whose graduated limb consists of an entire circle. When fixed to a wall in an observatory, it is called a mural circle; when mounted with a telescope on an axis and in Y's, in the plane of the meridian, a meridian or transit circle; when involving the principle of reflection, like the sextant, a reflecting circle; and when that of repeating an angle several times continuously along the graduated limb, a repeating circle.
- A specific group of persons; especially one who shares a common interest.
- Indirect form of words; circumlocution.
- Any thin three-dimensional equivalent of the geometric figures.
- The orbit of an astronomical body.
- (logic) A form of argument in which two or more unproved statements are used to prove each other; inconclusive reasoning.
- (Wicca) A ritual circle that is cast three times deosil and closes three times widdershins either in the air with a wand or literally with stones or other items used for worship.
- A curve that more or less forms part or all of a circle.
verb
- form or draw a circle around
- travel around something
- move in a circular path above (someone or something)
- (transitive) To travel around along a curved path.
- (transitive) To surround.
- (intransitive, paganism) To take part in a magic circle.
- (intransitive) To travel in circles.
- (transitive) To place or mark a circle around.
noun
- a plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve
- (rhetoric) Synonym of parable.
- (geometry) The conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix).
noun
- a convex molding having a cross section in the form of a quarter of a circle or of an ellipse
- the thick short innermost digit of the forelimb
- the part of a glove that provides a covering for the thumb
- A top hatch plate for covering an excavator bucket, used to keep material in the digger bucket after scooping it up, and not letting it spill out.
- (colloquial, Internet) A thumbnail picture.
- (graphical user interface) The part of a slider that may be moved linearly along the slider.
- The shortest and thickest digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers.
verb
- look through a book or other written material
- travel by getting free rides from motorists
- feel or handle with the fingers
- To fire (a single action revolver) quickly by pulling the hammer while keeping the trigger depressed.
- (transitive, with through) To turn the pages of (a book) in order to read it cursorily.
- (transitive) To touch or cover with the thumb.
- To soil or wear with the thumb or the fingers; to soil, or wear out, by frequent handling.
- To gesture with the thumb, for example when flagging a ride.
- (travel) To hitchhike.
- To manipulate (an object) with the thumb; especially, to pull back the hammer or open the cylinder of a revolver.
noun
- a line segment forming part of the perimeter of a plane figure
- a lengthwise dressed half of an animal's carcass used for food
- a place within a region identified relative to a center or reference location
- a surface forming part of the outside of an object
- an elevated geological formation
- either the left or right half of a body
- one of two or more contesting groups
- an aspect of something (as contrasted with some other implied aspect)
- a family line of descent
- an opinion that is held in opposition to another in an argument or dispute
- (sports) the spin given to a ball by striking it on one side or releasing it with a sharp twist
- an extended outer surface of an object
- One set of competitors in a game.
- One surface of a sheet of paper (used instead of "page", which can mean one or both surfaces.)
- The portion of the human torso usually covered by the arms when they are not raised; the areas on the left and right between the belly or chest and the back.
- One half (left or right, top or bottom, front or back, etc.) of something or someone.
- A bounding straight edge of a two-dimensional shape.
- A group having a particular allegiance in a conflict or competition.
- (sports, billiards, snooker, pool) Sidespin; english
- (LGBTQ, slang) A man who prefers not to engage in anal sex during same-sex sexual activity.
- A flat surface of a three-dimensional object; a face.
- (music) A recorded piece of music; a record, especially in jazz.
- One possible aspect of a concept, person, or thing.
- A group of morris dancers who perform together.
- (baseball) The batters faced in an inning by a particular pitcher.
- (drama) A written monologue or part of a scene to be read by an actor at an audition.
- A line of descent traced through a particular relative, usually a parent or spouse, as distinguished from that traced through another.
- A region in a specified position with respect to something.
- (UK, Australia, Ireland) A sports team.
- (US, Canada, Philippines, colloquial) A dish that accompanies the main course; a side dish.
adj
verb
- take sides for or against
- To lean on one side.
- (transitive, shipbuilding) To work (a timber or rib) to a certain thickness by trimming the sides.
- (intransitive) To ally oneself, be in an alliance, usually with "with" or rarely "in with"
- (transitive, cooking) To provide with, as a side or accompaniment.
- (transitive) To furnish with a siding.
- To clear, tidy or sort.
adv
noun
- a line enclosing a plane areas
- the size of something as given by the distance around it
- the boundary line or the area immediately inside the boundary
- An instrument for determining the extent and shape of the field of vision.
- (mathematics) The sum of the distance of all the lengths of the sides of an object.
- A fortified strip or boundary usually protecting a military position.
- (mathematics) The length of such a boundary.
- The outer limits of an area.
noun
- a section created by a plane cutting a solid perpendicular to its longest axis
- A section formed by a plane cutting through an object, usually at right angles to an axis.
- a sample meant to be representative of a whole population
- (physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns
- (physics) The probability that a particular nuclear reaction will take place.
- (mathematics, statistics) A sample meant to be representative of a whole population.
noun
- a plane curve traced by a point circling about the center but at increasing distances from the center
- ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
- flying downward in a helical path with a large radius
- a structure consisting of something wound in a continuous series of loops
- a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
- a continuously accelerating change in the economy
- (geometry) A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point.
- (informal) A helix.
- A self-sustaining process with a lot of momentum involved, so it is difficult to accelerate or stop it at once.
- (rail transport) A section of track that forms a circle and crosses over itself, used for gaining height in mountainous territory.
adj
verb
noun
adj
- (bookmaking) Having the horizontal axis of a page longer than the vertical; In landscape orientation.
- Roughly rectangular or elliptical.
- Having a length and width that are different; not square or circular.
- deviating from a square or circle or sphere by being elongated in one direction
- (of a leaf shape) having a somewhat elongated form with approximately parallel sides
verb
noun
adj
noun
intj
verb
noun
- a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
- ratio of the opposite to the adjacent side of a right-angled triangle
- (mathematics) A function of an angle that gives the ratio of the sine to the cosine, in either the real or complex numbers. Symbols: tan, tg.
- A topic nearly unrelated to the main topic, but having a point in common with it.
- (art) A visual interaction between two or more lines or edges that creates a perceived relationship between them, often in a way that the artist did not intend.
- (music) A small metal blade in a clavichord that strikes the strings to produce sound.
- (differential geometry) A straight line touching a curve at a single point without crossing it there.
adj
noun
- an approximately triangular surface area between two adjacent arches and the horizontal plane above them
- An oriental rug having a pattern of arches; the design in the corners of such a rug, especially in a prayer rug.
- (architecture) Horizontal member between the windows of successive storeys of a tall building.
- (evolutionary theory) A phenotypic characteristic that evolved as a side effect of an adaptation in response to evolutionary pressure.
- (architecture) The space (often more or less triangular) between the outer curve of an arch (the extrados) and a straight-sided figure that bounds it; the space between two contiguous arches and a straight feature above them.
- (architecture) The triangular space under a stair; the material that fills the space.
- (Philippines, construction, architecture) soffit (usually used to describe metal or corrugated plastic types of roof soffit)
noun
- a shape whose base is a circle and whose sides taper up to a point
- cone-shaped mass of ovule- or spore-bearing scales or bracts
- a visual receptor cell in the retina that is sensitive to bright light and to color
- any cone-shaped artifact
- An ice cream cone.
- The fruit of a conifer.
- (anatomy) Any of the small cone-shaped structures in the retina.
- (topology) A space formed by taking the direct product of a given space with a closed interval and identifying all of one end to a point.
- A unit of volume, applied solely to marijuana and only while it is in a smokable state; roughly 1.5 cubic centimetres, depending on use.
- (slang, by extension) A passenger on a cruise ship (that needs to be navigated around).
- (slang) A cone-shaped cannabis joint.
- (geometry) A surface of revolution formed by rotating a segment of a line around another line that intersects the first line.
- (slang) The process of smoking cannabis in a bong.
- (slang) The bowl piece on a bong.
- A traffic cone.
- A cone-shaped flower head of various plants, such as banksias and proteas.
- (geometry) A solid of revolution formed by rotating a triangle around one of its altitudes.
- A shell of the genus Conus, having a conical form.
- (computing theory) A set of formal languages with certain desirable closure properties, in particular those of the regular languages, the context-free languages and the recursively enumerable languages.
- (category theory) An object V together with an arrow going from V to each object of a diagram such that for any arrow A in the diagram, the pair of arrows from V which subtend A also commute with it. (Then V can be said to be the cone’s vertex and the diagram which the cone subtends can be said to be its base.)
verb
noun
adj
noun
- (geometry) The curved surface of a frustum of a sphere, the portion of surface of a sphere delimited by parallel planes.
- (geometry, loosely, perhaps by meronymy) A frustum of a sphere.
- A band or stripe extending around a body.
- (crystallography) A series of planes having mutually parallel intersections.
- A band or area of growth encircling anything.
- (networking) That collection of a domain's DNS resource records, the domain and its subdomains, that are not delegated to another authority.
- (now literary) A belt or girdle.
- (ice hockey) Every of the three parts of an ice rink, divided by two blue lines.
- (basketball, American football) A defensive scheme where defenders guard a particular area of the court or field, as opposed to a particular opposing player.
- (baseball, informal) The strike zone.
- (by extension) A restricted category or virtual place.
- Any given region or area of the world.
- (handball) A semicircular area in front of each goal.
- (figurative, chiefly sports) A mental state of high concentration and performance; see: in the zone.
- A given area distinguished on the basis of a particular characteristic, use, restriction, etc.
- A circuit; a circumference.
- (anatomy) any encircling or beltlike structure
- any of the regions of the surface of the Earth loosely divided according to latitude or longitude
- a locally circumscribed place characterized by some distinctive features
- an area or region distinguished from adjacent parts by a distinctive feature or characteristic
verb
- (transitive) To divide into or assign to sections or areas.
- (transitive) To define the property use classification of (an area).
- (intransitive, slang) To enter a daydream state temporarily, for instance as a result of boredom, fatigue, or intoxication; to doze off.
- To assign to a restricted category.
- regulate housing in; of certain areas of towns
- separate or apportion into sections
noun
- (geometry) A multi-dimensional manifold of a certain type, a generalization of the ellipse and ellipsoid.
- (geometry) Specifically, a superellipse with an exponent (shape parameter) greater than that of the ellipse (two).
- (geometry) A superellipse: a curve in two dimensions of a certain type, a generalization of the ellipse.
noun
- (mathematics) One of the four regions of the Cartesian plane bounded by the x-axis and y-axis.
- any of the four areas into which a plane is divided by two orthogonal coordinate axes
- (geometry) One fourth of a circle or disc; a sector with an angle of 90°.
- (college basketball) One of the four categories of team wins and losses, as categorized by strength of schedule.
- (nautical) A measuring device with a graduated arc of 90° used in locating an altitude.
- One of the four sections made by dividing an area with two perpendicular lines.
- a measuring instrument for measuring altitude of heavenly bodies
- a quarter of the circumference of a circle
- the area enclosed by two perpendicular radii of a circle
noun
- (geometry) The region in a plane between two concentric circles of different radii.
- (anatomy) A ring of fibrous tissue; specifically (cardiology), such a ring around an opening of a heart valve, to which the valve leaflets and muscle fibres of the atria and ventricles are attached; an annulus fibrosus cordis.
- (technology) In a well such as an oil well or water well: the space between a pipe or tube and any pipe, tube, casing, or sides of a hole surrounding it.
- (mycology) The membranous remnants of a partial veil which leaves a ring on the stem of a mushroom.
- (astronomy) A ring of light in a celestial body, especially when caused by an annular eclipse (for example, when the Sun and Moon are in line with the Earth, but the Moon does not completely cover the Sun's disc).
- A ring- or donut-shaped area, object, or structure.
- (ichthyology) A dark ring on a fish's scale that is formed when a fish's growth rate slows down in the winter due to low food intake and the scale's circuli move closer to one another. The dark ring is used to estimate the fish's age, approximately one year per annulus.
- (topology) Any topological space homeomorphic to the region in a plane between two concentric circles of different radii.
- (botany) A structure surrounding a sporangium (or part of it) which shrinks and causes it to rupture for spore dispersal; specifically, in a fern: a structure around about two-thirds of the sporangium consisting of differentially thick-walled cells which dry and distort the sporangium; and in a moss: a complete ring of cells around the tip of the sporangium which dissolves to cause the tip to detach.
- (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
- a toroidal shape
noun
- (geometry) The line perpendicularly connecting a figure’s vertex, especially a triangle’s apex, to the side opposite to the vertex.
- (astronomy) The angular distance of a heavenly body above our Earth's horizon.
- (commutative algebra, of an ideal) Height.
- Highest point or degree.
- The absolute height of a location, usually measured from sea level.
- (geometry) The length of such a line; the distance measured perpendicularly from a figure's vertex to the side opposite to the vertex.
- Height of rank or excellence; superiority.
- A vertical distance.
- elevation especially above sea level or above the earth's surface
- angular distance above the horizon (especially of a celestial object)
- the perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel)
noun
noun
- (mathematics) A square tiling of the plane.
- A choreographed dressage ride, commonly performed to music, with a minimum of four horses.
- (dance) A dance originating in the mid-1700s with four couples forming a square, rather much like the modern square dance.
- (music) The music for this dance.
- (card games) A Spanish trick-taking card game from the 1700s played with a 40-card deck.
- Quadrille ruled graph paper, quad paper.
- a square dance of 5 or more figures for 4 or more couples
- music for dancing the quadrille
adj
verb
noun
- An outline, boundary or border, usually of curved shape.
- (figurative) A general description giving the most important points.
- (linguistics) a speech sound which behaves as a single segment, but which makes an internal transition from one quality, place, or manner to another.
- A line on a map or chart delineating those points which have the same altitude or other plotted quantity: a contour line or isopleth; (metonymically) the landform or its surface.
- any spatial attributes (especially as defined by outline)
- a feature (or the order or arrangement of features) of anything having a complex structure
- a line drawn on a map connecting points of equal height
verb
noun
- an angle formed by two straight lines (in the same plane)
- (geometry) An angle formed by two intersecting straight lines.
- (geometry) An angle formed by two intersecting planes, measured by the angle between two intersecting straight lines that are in respective planes and perpendicular to the intersection of the planes.
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noun
- a surface whose plane sections are all ellipses or circles
- (mathematics, geometry) A surface, all of whose cross sections are elliptic or circular (including the sphere), that generalises the ellipse and in Cartesian coordinates (x, y, z) is a quadric with equation x²/a² + y²/b² + z²/c² = 1.
- (geography) Such a surface used as a model of the shape of the earth.
adj
adj
- (of a leaf shape) in the form of an ellipse
- rounded like an egg
- characterized by extreme economy of expression or omission of superfluous elements
- (mathematics) Of or pertaining to a broad field of mathematics that originates from the problem of calculating arc lengths of an ellipse.
- (botany, of leaves) Oval, with a short or no point.
- (linguistics) Of, or showing ellipsis; having a word or words omitted; elliptical.
- (geometry) Of or pertaining to an ellipse.
- (mathematics, in combination, of certain functions, equations and operators) That has coefficients satisfying a condition analogous to the condition for the general equation for a conic section to be of an ellipse.
noun
adj
noun
adj
- of a surface exactly even with an adjoining one, forming the same plane
- having an abundant supply of money or possessions of value
- Wealthy or well off.
- (typography) Ellipsis of flush left and right: a body of text aligned with both its left and right margins.
- Full of vigor; fresh; glowing; bright.
- Smooth, even, aligned; not sticking out.
- Affluent; abounding; well furnished or supplied; hence, liberal; prodigal.
noun
- a poker hand with all 5 cards in the same suit
- the period of greatest prosperity or productivity
- the swift release of a store of affective force
- sudden reddening of the face (as from embarrassment or guilt or shame or modesty)
- a sudden rapid flow (as of water)
- sudden brief sensation of heat (associated with menopause and some mental disorders)
- a rosy color (especially in the cheeks) taken as a sign of good health
- A suffusion of the face with blood, as from fear, shame, modesty, or intensity of feeling of any kind; a blush; a glow.
- A sudden flood or rush of feeling; a thrill of excitement, animation, etc.
- Particularly, such a cleansing of a toilet.
- A sudden flowing; a rush which fills or overflows, as of water for cleansing purposes.
- A group of birds that have suddenly started up from undergrowth, trees, etc.
- Any tinge of red color like that produced on the cheeks by a sudden rush of blood.
- (skiing) A line of poles or obstacles that a skier must weave between.
- A groundwater-fed marsh or peaty mire (which may be acidic or basic, nutrient-rich or poor); (originally especially Scotland and Northern England) a (marshy) pool or seep, as in a field.
- (poker) A hand consisting of all cards with the same suit.
- (computing) The process of clearing the contents of a buffer or cache.
adv
verb
- cause to flow through something
- rinse, clean, or empty with a liquid
- cause to flow or flood with or as if with water
- make level or straight
- irrigate with water from a sluice
- glow or cause to glow with warm color or light
- turn red, as if in embarrassment or shame
- (intransitive) To take suddenly to flight, especially from cover.
- (transitive, computing) To clear (a buffer or cache) of its contents.
- To cause to be full; to flood; to overflow; to overwhelm with water.
- (intransitive) To become suffused with reddish color due to embarrassment, excitement, overheating, or other systemic disturbance, to blush.
- To flow and spread suddenly; to rush.
- (transitive) To cause to take flight from concealment.
- (intransitive, of a toilet) To be cleansed by being flooded with generous quantities of water.
- (mining, intransitive) To operate a placer mine, where the continuous supply of water is insufficient, by holding back the water, and releasing it periodically in a flood.
- (transitive) Particularly, to cleanse a toilet by introducing a large amount of water.
- (transitive) To cleanse by flooding with generous quantities of a fluid.
- (Singapore, chiefly military) To move, shift or align to one side.
- (transitive) To excite, inflame.
- (intransitive, transitive) To dispose or be disposed of by flushing down a toilet.
- (masonry) To fill in (joints); to point the level; to make them flush.
- To show red; to shine suddenly; to glow.
- (mining) To fill underground spaces, especially in coal mines, with material carried by water, which, after drainage, constitutes a compact mass.
- (transitive) To cause to blush.
- (transitive, computing, of data held in a buffer or cache) To write (the data) to primary storage, clearing it from the buffer or cache.