semicircumference
quadrant
quarter-circle
circular arc
semicircle
unit circle
pi
major axis
apothem
around
quarter circle
arc
circumdiameter
semicircular
radius
r
degree
arcdegree
secondary
verge
diameter
diam
midcircle
semiperimeter
hypocycloid
eccentric
cline
circline
demicircle
bustline
segment
epicycloid
quindecile
hemicircle
circuit
rundel
sector
quincunx
exradius
encompass
inradius
circumcenter
semimajor axis
squircular
orthodrome
cycle
encircle
circlet
subcircle
tore
hemicycle
circumferentially
cycloid
orbit
center
slant height
cotan
cotangent
perigon
point
concentricity
circular angle
squarish
intercircle
rink
wreath
circled
great-circle arc
central angle
cyclometry
geodesic
great circle
Euclid's third axiom
circle
semioval
inscribed circle
circular
cycloidal
turn
anticircular
hoppus foot
round
centre of curvature
squoval
bend
crook
cyclo-
quadrantal
quadrantally
center of curvature
ovalize
hemisphere
semicircular
squircular
squarish
intercircle
circled
semioval
circular
cycloid
cycloidal
anticircular
round
squoval
quadrantal
around
circumferentially
quadrantally
semicircumference
quadrant
quarter-circle
circular arc
semicircle
unit circle
pi
major axis
apothem
quarter circle
arc
circumdiameter
radius
r
degree
arcdegree
secondary
verge
diameter
diam
midcircle
semiperimeter
hypocycloid
eccentric
cline
circline
demicircle
bustline
segment
epicycloid
quindecile
hemicircle
circuit
rundel
sector
quincunx
exradius
inradius
circumcenter
semimajor axis
orthodrome
cycle
circlet
subcircle
tore
hemicycle
cycloid
center
slant height
cotan
cotangent
perigon
point
concentricity
circular angle
rink
great-circle arc
central angle
cyclometry
geodesic
great circle
Euclid's third axiom
circle
inscribed circle
turn
hoppus foot
centre of curvature
bend
crook
center of curvature
hemisphere
encompass
encircle
orbit
wreath
ovalize
adv
- in circumference
- in the area or vicinity
- by a circular or circuitous route
- used of movement to or among many different places or in no particular direction
- in a circle or circular motion
- (of quantities) imprecise but fairly close to correct
- in or to a reversed position or direction
- to a particular destination either specified or understood
- all around or on all sides
- from beginning to end; throughout
noun
- the length of a line segment between the center and circumference of a circle or sphere
- a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
- a circular region whose area is indicated by the length of its radius
- the outer and slightly shorter of the two bones of the human forearm
- support consisting of a radial member of a wheel joining the hub to the rim
noun
- A unit of measurement of angle equal to ¹⁄₃₆₀ of a circle's circumference.
- The curvature of a circular arc, expressed as the angle subtended by a fixed length of arc or chord.
- A ‘step’ in genealogical descent.
- A unit of measurement of latitude and longitude which together identify a location on the Earth's surface.
- The dimensionality of a field extension.
- Any of the three stages (positive, comparative, superlative) in the comparison of an adjective or an adverb.
- The sum of the exponents of a term; the order of a polynomial.
- A stage of proficiency or qualification in a course of study, now especially an award bestowed by a university or, in some countries, a college, as a certification of academic achievement. (In the United States, can include secondary schools.)
- The number of logical connectives in a formula.
- A unit of measurement of temperature on any of several scales, such as Celsius or Fahrenheit.
- The amount that an entity possesses a certain property; relative intensity, extent.
- A stage of rank or privilege; social standing.
- The number of edges that a vertex takes part in; a valency.
- A step on a set of stairs; the rung of a ladder.
- An individual step, or stage, in any process or scale of values.
noun
- A secondary circle.
- One who occupies a subordinate or auxiliary place; a delegate deputy.
- A radar return generated by the response of an aircraft's transponder to an interrogation signal broadcast by a radar installation, containing additional encoded identification and situational data not available from a simple primary return.
- The defensive backs.
- An inductive coil or loop that is magnetically powered by a primary in a transformer or similar.
- Any flight feather attached to the ulna (forearm) of a bird.
- A satellite.
- An act of issuing more stock by an already publicly traded corporation.
- The second stage of a multistage thermonuclear weapon, which generates a fusion explosion when imploded as an indirect result of the fission explosion of the primary, and which, in a few extremely large weapons, itself implodes a fusion tertiary.
- A secondary school.
- Anything secondary or of lesser importance.
adj
- Produced by alteration or deposition subsequent to the formation of the original rock mass.
- Derived from a parent compound by replacement of two atoms of hydrogen by organic radicals
- Developed by pressure or other causes.
- Dependent or consequent upon another disease, or occurring in the second stage of a disease.
- Related to secondary education, i.e. schooling between the ages of (approximately) 11 and 18.
- Of less than primary importance.
- Originating from a deputy or delegated person or body
- Representing a reversion to an ancestral state.
- Formed by mixing primary colors.
- Next in order to the first or primary; of second place in origin, rank, etc.
- Pertaining to the second joint of the wing of a bird.
- Relating to the manufacture of goods from raw materials.
noun
- A circumference; a circle; a ring.
- A rod or staff of office, e.g. of a verger.
- The grassy area between the footpath and the street; a tree lawn; a grassed strip running alongside either side of an outback road.
- The stick or wand with which persons were formerly admitted tenants, by holding it in the hand and swearing fealty to the lord. Such tenants were called tenants by the verge.
- An edge or border.
- An old measure of land: a virgate or yardland.
- The spindle of a watch balance, especially one with pallets, as in the old vertical escapement.
- The shaft of a column, or a small ornamental shaft.
- An extreme limit beyond which something specific will happen.
- The eaves or edge of the roof that projects over the gable of a roof.
verb
noun
- The middle of a circle.
- A circle that is in the middle.
- The great circle that is equidistant from two poles.
- A reference generalised circle through which two given circles are inverses of each other.
- The middle of an act of circling.
- The circle (if one exists) that passes through the midpoint of each side of a given polygon, especially a triangle.
adv
noun
- A circle not having the same centre as another.
- One who does not behave like others.
- A kook; a person of bizarre habits or beliefs.
- An exercise that goes against or in the opposite direction of contraction of a muscle.
- A disk or wheel with its axis off centre, giving a reciprocating motion.
adj
- Having a different center; not concentric.
- Against or in the opposite direction of contraction of a muscle (such as results from flexion of the lower arm (bending of the elbow joint) by an external force while contracting the triceps and other elbow extensor muscles to control that movement; opening of the jaw while flexing the masseter).
- Having different goals or motives.
- Deviating from the norm; behaving unexpectedly or differently; unconventional and slightly strange.
- Not at or in the centre; away from the centre.
- Not perfectly circular; elliptical.
noun
- The part of a circle between its circumference and a chord (usually other than the diameter).
- A straight path between two points that is the shortest distance between them.
- One of several parts of an organism, with similar structure, arranged in a chain; such as a vertebra, or a third of an insect's thorax.
- A part of a broadcast program, devoted to a topic.
- An Ethernet bus.
- Any of the pieces that constitute an order tree.
- A discrete unit of speech: a consonant or a vowel.
- The part of a sphere cut off by a plane.
- A length of some object.
- A bearing representing only one part of a rounded object.
- One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion.
- A portion of an organ whose cells are derived from a single cell within the primordium from which the organ developed.
- A portion of an itinerary: it may be a flight or train between two cities, or a car or hotel booked in a particular city.
- A region of memory or a fragment of an executable file designated to contain a particular part of a program.
verb
noun
- The space enclosed within a circle, or within limits.
- The circumference of, or distance around, any space; the measure of a line around an area.
- The counties at the fringes of the empire, usually with a non-Chinese population, from the Han to the Western Jin.
- A thought that unconsciously goes round and round in a person's mind and controls that person.
- The act of moving or revolving around, or as in a circle or orbit; a revolution
- Major provincial divisions from the Yuan to early Republican China.
- The jurisdiction of certain judges within a state or country, whether itinerant or not.
- The basic grouping of local Methodist churches.
- A closed path, without repeated vertices allowed.
- A track on which a race in held; a racetrack
- By analogy to the proceeding three, a set of theaters among which the same acts circulate; especially common in the heyday of vaudeville.
- The 10 or so major provinces of the empire from the Tang to the early Yuan.
- A chain of cinemas/movie theaters.
- Enclosed path of an electric current, usually designed for a certain function.
- A regular or appointed trip from place to place as part of one's job
- That which encircles anything, as a ring or crown.
noun
- part of a circle, extending to the center; circular sector
- section
- a fictional region of space designated for navigational or governance purposes.
- a field of economic activity
- A fixed, continuous section of the track, such that sectors do not overlap but all sectors make up the whole track.
- A toothed gear whose face is the arc of a circle.
- an area designated by boundaries within which a unit operates, and for which it is responsible
- zone (designated area).
- one of the subdivisions of a coastal frontier
- an instrument consisting of two rulers of equal length joined by a hinge.
- An area of a crag, consisting of various routes
- fixed-sized unit (traditionally 512 bytes) of sequential data stored on a track of a digital medium (compare to block)
noun
- An angle of five-twelfths of a circle, or 150°, between two objects.
- An arrangement of five units with four forming the corners of a square and the fifth at the centre of the square, a pattern corresponding to the five-spot on dice, playing cards, or dominoes.
- A Galton board.
- A bronze coin minted during the Roman Republic, valued at five-twelfths of an as.
noun
- One entire round in a circle or a spire.
- A single, a double, a triple, and a home run hit by the same player in the same game.
- A closed walk or path, with or without repeated vertices allowed.
- In musical set theory, an interval cycle is the set of pitch classes resulting from repeatedly applying the same interval class to the starting pitch class.
- A process that returns to its beginning and then repeats itself in the same sequence.
- A pedal-powered vehicle, such as a unicycle, bicycle, or tricycle, or a motorized vehicle that has either two or three wheels.
- A series of poems, songs or other works of art, typically longer than a trilogy.
- An orderly list for a given time; a calendar.
- An interval of space or time in which one set of events or phenomena is completed.
- A programme on a washing machine, dishwasher, or other such device.
- A chain whose boundary is zero.
- An imaginary circle or orbit in the heavens; one of the celestial spheres.
- The members of the sequence formed by such a process.
- A discharge of a taser.
- A scheduled period of time of weeks or months wherein a performance-enhancing substance or, by extension, supplement is applied, to be followed by another one where it is not or the dosage is lower.
- One take-off and landing of an aircraft, referring to a pressurisation cycle which places stresses on the fuselage.
- A complete rotation of anything.
- An age; a long period of time.
verb
- To maintain a team's possession of the puck in the offensive zone by handling and passing the puck in a loop from the boards near the goal up the side boards and passing to back to the boards near the goal
- To go through a cycle or to put through a cycle.
- To turn power off and back on
- To ride a bicycle or other cycle.
noun
verb
- To move in a circle.
- To center (around).
- To circle or revolve around another object or position.
- To place an object (e.g. a satellite) into an orbit around a planet.
- To move around the general vicinity of something.
- To continue to follow and/or engage with someone via social media after breaking up with them.
noun
- A collection of points related by the evolution function of a dynamical system.
- A path for the ball on the outer edge of the playfield, usually connected so that the ball entering in one end will come out of the other.
- The subset of elements of a set X to which a given element can be moved by members of a specified group of transformations that act on X.
- A state of increased excitement, activity, or anger.
- A sphere of influence; an area or extent of activity, interest, or control.
- The path of an electron around an atomic nucleus.
- One complete circuit round an orbited body.
- The state of moving in an orbit.
- The area around the eye of a bird or other animal.
- The bony cavity in the skull of a vertebrate containing the eyeball.
noun
- The point in the interior of a circle that is equidistant from all points on the circumference.
- A player who can go all over the court, except the shooting circles.
- The middle portion of something; the part well away from the edges.
- One of the two conical steel pins in a lathe, etc., upon which the work is held, and about which it revolves.
- The ring in the gambling game two-up in which the spinner operates.
- The subgroup (respectively, subring), denoted Z(G), of those elements of a given group (respectively, ring) G that commute with every element of G.
- The point on a line that is midway between the ends.
- The point in the interior of a sphere that is equidistant from all points on the circumference.
- A topic that is particularly important in a given context, the element in a subject of cognition, volition or discussion that is perceived as decisive.
- A place, especially a building or complex, set aside for some specified function or activity.
- The ensemble of moderate or centrist political parties.
- A conical recess or indentation in the end of a shaft or other work, to receive the point of a center, on which the work can turn, as in a lathe.
- A pass played into the centre of the pitch.
- The point in the interior of any figure of any number of dimensions that has as its coordinates the arithmetic mean of the coordinates of all points on the perimeter of the figure (or of all points in the interior for a center of volume).
- The venue in which the head of government in a centralized state is situated.
- The forward that generally plays between the left wing and right wing and usually takes the faceoffs.
- The player, generally the tallest, who plays closest to the basket.
- The person who holds the ball at the beginning of each play.
- One of the backs operating in a central area of the pitch, either the inside centre or outside centre.
- A temporary structure upon which the materials of a vault or arch are supported in position until the work becomes self-supporting.
verb
- To give (something) a central basis.
- To concentrate on (something), to pay close attention to (something).
- To cause (an object) to occupy the center of an area.
- To form a recess or indentation for the reception of a center.
- To cause (some attribute, such as a mood or voltage) to be adjusted to a value which is midway between the extremes.
adj
noun
- A unit of bearing equal to one thirty-second of a circle, i.e. 11.25°.
- The attitude assumed by a pointer dog when he finds game.
- A focus of conversation or consideration; the main idea.
- A particular moment in an event or occurrence; a juncture.
- Pointedness of speech or writing; a penetrating or decisive quality of expression.
- A tine or snag of an antler.
- Each of the main directions on a compass, usually considered to be 32 in number; a direction.
- A topic of discussion or debate; a proposition.
- A decimal point (now especially when reading decimal fractions aloud).
- A spot to which a straight run is made; hence, a straight run from point to point; a cross-country run.
- A peninsula or promontory.
- The position of the player of each side who stands a short distance in front of the goalkeeper.
- Any projecting extremity of an object.
- A full stop or other terminal punctuation mark.
- A specific location or place, seen as a spatial position.
- The position at the front or vanguard of an advancing force.
- A distinguishing quality or characteristic.
- a unit of measure equal to 1/12 of a pica, or approximately 1/72 of an inch (exactly 1/72 of an inch in the digital era).
- Each of the marks or strokes written above letters, especially in Semitic languages, to indicate vowels, stress etc.
- A purpose or objective, which makes something meaningful.
- Either of the two metal surfaces in a distributor which close or open to allow or prevent the flow of current through the ignition coil. There is usually a moving point, pushed by the distributor cam, and a fixed point, and they are built together as a unit.
- An object which has a sharp or tapering tip.
- A unit of measure for rain, equal to 0.254 mm or 0.01 of an inch.
- An operational or public leadership position in a risky endeavor.
- The difference between two points of the compass.
- A railroad switch.
- Something tiny, as a pinprick; a very small mark.
- An electric power socket.
- A movement executed with the sabre or foil.
- A unit of scoring in a game or competition.
- An individual element in a larger whole; a particular detail, thought, or quality.
- An area of contrasting colour on an animal, especially a dog; a marking.
- A short piece of cordage used in reefing sails.
- The act of pointing, as of the foot downward in certain dance positions.
- A dot or mark used to designate certain tones or time. In ancient music, it distinguished or characterized certain tones or styles (points of perfection, of augmentation, etc.). In modern music, it is placed on the right of a note to raise its value, or prolong its time, by one half.
- The sharp tip of an object.
- A string or lace used to tie together certain garments.
- A unit used to express differences in prices of stocks and shares.
- The perpendicular rising of a hawk over the place where its prey has gone into cover.
- A note; a tune.
- A zero-dimensional mathematical object representing a location in one or more dimensions; something considered to have position but no magnitude or direction.
- The position of the pitcher and catcher.
- The gesture of extending the index finger in a direction in order to indicate something.
- A fielding position square of the wicket on the off side, between gully and cover.
- Each of the twelve triangular positions in either table of a backgammon board, on which the stones are played.
- A tenth; formerly also a twelfth.
- One of the several different parts of the escutcheon.
- Lace worked by the needle.
verb
- To give a point to; to sharpen; to cut, forge, grind, or file to an acute end.
- To repair mortar.
- To direct toward an object; to aim.
- To direct the central processing unit to seek information at a certain location in memory.
- To draw attention to something or indicate a direction.
- To face in a particular direction.
- To separate an integer from a decimal with a decimal point.
- To extend the index finger in the direction of something in order to show where it is or to draw attention to it.
- To indicate the presence of game by a fixed and steady look, as certain hunting dogs do.
- To mark with diacritics.
- To direct or encourage (someone) in a particular direction.
- To direct requests sent to a domain name to the IP address corresponding to that domain name.
- To fill up and finish the joints of (a wall), by introducing additional cement or mortar, and bringing it to a smooth surface.
- To indicate a probability of something.
- To cut, as a surface, with a pointed tool.
- To sail close to the wind.
- To approximate to the surface; to head.
adj
verb
- To wrap around something in a circle.
- To place an entwined circle of flowers upon or around something.
- To curl, writhe or spiral in the form of a wreath.
noun
- An ornamental circular band made, for example, of plaited flowers and leaves, and used as decoration; a garland or chaplet, especially one given to a victor.
- An appendage to the shield, placed above it, and supporting the crest; an orle, a torse. It generally represents a twist of two cords of silk, one tinctured like the principal metal, the other like the principal color in the coat of arms.
- A defect in glass.
- Something twisted, intertwined, or curled.
noun
- something approximating the shape of a circle
- 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
- an unofficial association of people or groups
- movement once around a course
- a road junction at which traffic streams circularly around a central island
- street names for flunitrazepam
- a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra
- any circular or rotating mechanism
verb
adj
noun
noun
- a circular segment of a curve
- the act of changing or reversing the direction of the course
- (game) the activity of doing something in an agreed succession
- an unforeseen development
- a movement in a new direction
- the act of turning away or in the opposite direction
- turning or twisting around (in place)
- a time period for working (after which you will be relieved by someone else)
- (sports) a division of a game during which one team is on the offensive
- a short performance that is part of a longer program
- a favor for someone
- taking a short walk out and back
verb
- to change orientation or direction
- undergo a transformation or a change of position or action
- undergo a change or development
- cause to move around or rotate
- change to the contrary
- pass to the other side of
- pass into a condition gradually, take on a specific property or attribute; become
- let (something) fall or spill from a container
- move around an axis or a center
- cause to move around a center so as to show another side of
- to send or let go
- to break and turn over earth especially with a plow
- shape by rotating on a lathe or cutting device or a wheel
- change color
- twist suddenly so as to sprain
- cause to change or turn into something different;assume new characteristics
- accomplish by rotating
- get by buying and selling
- cause to move along an axis or into a new direction
- channel one's attention, interest, thought, or attention toward or away from something
- cause (an object) to assume a crooked or angular form
- alter the functioning or setting of
- direct at someone
- have recourse to or make an appeal or request for help or information to
- go sour or spoil
- become officially one year older
adj
- Circular or cylindrical; having a circular cross-section in one direction.
- Lacking sharp angles; having gentle curves.
- Complete, whole, not lacking.
- Large in magnitude.
- Spherical; shaped like a ball; having a circular cross-section in more than one direction.
- Plump.
- Consistent; fair; just; applied to conduct.
- Well-written and well-characterized; complex and reminiscent of a real person.
- Convenient for rounding other numbers to; for example, ending in a zero.
- Finished; polished; not defective or abrupt; said of authors or their writing style.
- Vaulted.
- Outspoken; plain and direct; unreserved; not mincing.
- Pronounced with the lips drawn together; rounded.
noun
- A series of duties or tasks which must be performed in turn, and then repeated.
- A rounded relief or cut at an edge, especially an outside edge, added for a finished appearance and to soften sharp edges.
- A circular or spherical object or part of an object.
- A general outburst from a group of people at an event.
- A crosspiece that joins and braces the legs of a chair.
- In some sports, e.g. golf or showjumping: one complete way around the course.
- A circular dance.
- Rotation, as in office; succession.
- A circular or repetitious route.
- A firearm cartridge, bullet, or any individual ammunition projectile. Originally referring to the spherical projectile ball of a smoothbore firearm. Compare round shot and solid shot.
- One of the specified pre-determined segments of the total time of a sport event, such as a boxing or wrestling match, during which contestants compete before being signaled to stop.
- A long-bristled, circular-headed paintbrush used in oil and acrylic painting.
- An assembly; a group; a circle.
- A round-top.
- A round of beef.
- A single individual portion or dose of medicine.
- A course of action or conduct performed by a number of persons in turn, or one after another, as if seated in a circle.
- A serving of something; a portion of something to each person in a group.
- A stage in a competition.
- A stage or level of a game.
- The hindquarters of a bovine.
- A general discharge of firearms by a body of troops in which each soldier fires once.
- A brewer's vessel in which the fermentation is concluded, the yeast escaping through the bunghole.
- The play after each deal.
- A strip of material with a circular face that covers an edge, gap, or crevice for decorative, sanitary, or security purposes.
- A series of changes or events ending where it began; a series of like events recurring in continuance; a cycle; a periodical revolution.
- A song that is sung by groups of people with each subset of people starting at a different time.
- One sandwich (two full slices of bread with filling).
verb
- To go round, pass, go past.
- To grow round or full; hence, to attain to fullness, completeness, or perfection.
- To approximate a number, especially a decimal number by the closest whole number.
- To shape something into a curve.
- To turn past a boundary.
- To advance to home plate.
- To encircle; to encompass.
- To turn and attack someone or something (used with on).
- To do ward rounds.
- To become shaped into a curve.
- To finish; to complete; to fill out.
adj
English words for 'One half of the circumference of a circle'
As you may have noticed, above you will find words for "One half of the circumference of a circle". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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