Parole in English per 'aspheric optics'
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noun
noun
- an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
- a building housing an instrument for projecting the positions of the planets onto a domed ceiling
- an apparatus or model for representing the solar systems
- An orrery.
- A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
prefix
name
adj
noun
phrase
noun
name
- A village and civil parish in North East Derbyshire district, Derbyshire (OS grid ref SK3474).
- A minor city in Ballard County, Kentucky.
- A township and unincorporated community therein, in Washington County, Ohio.
- A village and civil parish in North Yorkshire, previously in Selby district (OS grid ref SE6428).
- An unincorporated community in Foster County, North Dakota.
- A minor city in Clackamas County, Oregon.
- An extinct town in Wayne County, Missouri.
- A habitational surname from Old English originating from one of these villages.
- A community in Yukon, Canada.
- A small village in the Metropolitan Borough of Gateshead, Tyne and Wear (OS grid ref NZ1560).
prefix
noun
- The optical axis.
- (crystallography, mineralogy) The direction in which a ray of light passing through a crystal does not suffer double refraction.
- in a doubly refracting crystal, the line in the direction of which no double refraction occurs
- a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted
adj
- pertaining to a lens or lens system free of astigmatism (able to form point images)
- pertaining to or resembling or having stigmata
- not astigmatic
- (botany, anatomy) Having or relating to a stigma or stigmata.
- Marked with a stigma, or with something reproachful to character; stigmatized.
- Impressing with infamy or reproach.
noun
adj
noun
noun
- optical properties
- (physics) The physics of light and vision: basic optical science.
- the branch of physics that studies the physical properties of light
- Technology that makes use of such physics: applied optical science; business lines making use of such technology.
- The light-related aspects of a device.
- (figuratively) Perception, image, public relations, especially in politics.
- plural of optic
noun
- A monocular optical instrument that magnifies distant objects, especially in astronomy.
- (television) A retractable tubular support for lights.
- A kind of goldfish with protruding eyes, first bred in China.
- Any instrument used in astronomy for observing distant objects (such as a radio telescope).
- a magnifier of images of distant objects
verb
- (ambitransitive, mathematics, of a series) To collapse, via cancellation.
- (ambitransitive) To slide or pass one within another, after the manner of the sections of a small telescope or spyglass.
- (ambitransitive) To extend or contract in the manner of a telescope.
- (intransitive) To come into collision, as railway cars, in such a manner that one runs into another.
- make smaller or shorter
- crush together or collapse
noun
adj
noun
- (optics) Initialism of angular aperture.
- Initialism of affirmative action.
- (pathology) Initialism of alopecia areata.
- (chemistry) Initialism of antioxidant activity.
- (chemistry) Initialism of atomic absorption.
- (insurance) Initialism of appointed actuary.
- Initialism of approximate absolute.
- (pathology) Initialism of aplastic anemia.
- Initialism of airman apprentice.
- (finance) Initialism of account aggregator.
- (politics) Initialism of Association Agreement: a treaty between the European Union, its member states and a non-EU country that creates a framework for cooperation between them.
- (organic chemistry, medicine) Initialism of amyloid A.
- (psychology) Initialism of achievement age.
- (biochemistry, medicine) Initialism of antiandrogen.
- (pathology) Initialism of aortic aneurysm.
- Initialism of Asian American.
- (statistics) Initialism of arithmetic average.
- Initialism of adoption agency.
- (organic chemistry) Initialism of ascorbic acid.
- (anatomy) Initialism of aortic arch.
- Initialism of athletic association.
- Initialism of African-American.
- (seduction community) Initialism of approach anxiety.
- (education) Initialism of Associate in Arts or Associate of Arts.
- (organic chemistry) Initialism of acetic acid.
- Initialism of air armament.
- (medicine) Initialism of arytenoid adduction.
- (organic chemistry) Initialism of amino acid.
- (organic chemistry) Initialism of acrylic acid.
- Initialism of appropriate authority.
- Initialism of acting appointment.
- (chemistry, engineering) Initialism of activated alumina.
- Initialism of aircraft artificer.
- (organic chemistry) Initialism of asymmetric aminohydroxylation.
- (medicine) Initialism of arterial aneurysm.
- (pathology) Initialism of acute appendicitis.
- (military) Initialism of avenue of approach.
- (UK, pensions) Initialism of annual allowance.
- Initialism of academic adviser.
- (military) Initialism of anti-aircraft.
- Initialism of absolute alcohol.
- (Hong Kong) Initialism of agent assistant; an assistant of a real estate agent.
- Initialism of associate administrator.
- (anatomy) Initialism of abdominal aorta.
- Initialism of armament artificer.
- (chiefly US, politics) Initialism of administrative assistant.
- An AA battery (energy-storage device).
- (organic chemistry) Initialism of arachidonic acid.
- Initialism of aircraft apprentice.
- (computer graphics) Initialism of antialiasing.
- (biochemistry) Initialism of adrenal androgen.
- (immunology) Initialism of anti-antibody.
- (gymnastics) Abbreviation of all-around.
- A member of Alcoholics Anonymous.
- Initialism of aviation annex.
- (finance) Initialism of against actual.
- (military) Initialism of assembly area.
- (broadcasting) Initialism of average audience.
- Initialism of assistant adjutant.
- (pathology) Initialism of anaplastic astrocytoma.
- (organic chemistry) Initialism of aminoacyl.
- (healthcare) Initialism of anesthesiologist assistant.
- Initialism of author's alteration.
- (medicine) Initialism of anastomotic aneurysm.
- (British English, law) Initialism of appropriate adult.
- (anatomy) Initialism of ascending aorta.
- Initialism of air attaché.
- (biochemistry) Initialism of acetaldehyde adduct.
- (aviation) Initialism of absolute altitude.
- (pathology) Initialism of allergic asthma.
- Initialism of Asian-African.
- (healthcare) Initialism of anesthesia assistant.
- an international organization that provides a support group for persons trying to overcome alcoholism
- an associate degree in arts
adj
name
- Initialism of Acta Astronautica: a scientific journal founded in 1955, covering fields related to the peaceful scientific exploration of space.
- Initialism of Air Almanac, a publication.
- Initialism of Anna's Archive.
- (UK, automotive) Initialism of The Automobile Association: a British motoring association founded in 1905.
- Initialism of The Aluminum Association: a trade association for the aluminum production, fabrication and recycling industries.
- Initialism of Arlington Annex.
- Initialism of Army Act.
- Initialism of Alcoholics Anonymous: a self-supporting organization of alcoholic people.
- Initialism of Alzheimer's Association: an American volunteer health organization focusing on care, support and research for Alzheimer's disease.
- (US, rail transport) Initialism of Ann Arbor Railroad.
- (aviation) Initialism of American Airlines: a major American airline headquartered in Fort Worth, Texas.
- (physics) Initialism of Antiproton Accumulator: an infrastructure connected to the Proton–Antiproton Collider at CERN.
- Initialism of Addicts Anonymous.
- (US, baseball) Double-A: the second-highest level of play in Minor League Baseball after Triple-A (AAA).
- Initialism of Al Ain.
- Initialism of American Anthropologist: the flagship journal of the American Anthropological Association, founded in 1888.
- (aviation) Initialism of Ansett Australia or Ansett Airways.
- Initialism of Academy Awards: a recognition of excellence in cinematic achievements, given annually by the Academy of Motion Picture Arts and Sciences.
- (US, historical, baseball) Initialism of American Association: an American minor league baseball league from 1902 to 1962 and 1969 to 1997.
- (US, historical) Initialism of Amalgamated Association of Iron and Steel Workers.
- (stock ticker symbol) Abbreviation of Alcoa.
- (US, military) USPS military code of Armed Forces – Americas.
- (occult) Alternative form of A∴A∴.
- Initialism of Aluminum America, a corporation.
- (aviation) Initialism of Aerolíneas Argentinas.
verb
noun
noun
- (optics) A flat (i.e. plane) mirror
- (American football) The areas behind the line of scrimmage to either side of an offensive football formation.
- (rail transport) A flat spot on the wheel of a rail vehicle.
- (publishing) A flat, glossy children's book with few pages.
- An area of level ground (sometimes covered with shallow or tidal water).
- (technical, theatre, stagecraft) A rectangular wooden structure covered with masonite, lauan, or muslin, often produced in standard modules, that is used to build wall surfaces on stage. Flats can be painted and outfitted with doors and/or windows to depict a building or other part of a scene, and are a hard-surfaced alternative to a backcloth or backdrop.
- (entomology) Any of various hesperiid butterflies that spread their wings open when they land.
- A flat sheet for use on a bed.
- (horse racing, with 'the' or attributively, sometimes with capital) Level horse-racing ground, as contrasted with courses incorporating jumps, or the racing done on such ground.
- (postal) A large mail piece measuring at least 8 1/2 by 11 inches, such as catalogs, magazines, and unfolded paper enclosed in large envelopes.
- (music) A note played one chromatic semitone lower than a natural, denoted by the symbol ♭ placed after the letter representing the note (e.g., B♭) or in front of the note symbol (e.g. ♭♪).
- (in the plural) A type of ladies' shoe with a very low heel.
- (informal, automotive) A flat tyre/flat tire.
- (painting) A thin, broad brush used in oil and watercolour painting.
- Ellipsis of flat ride (“spinning amusement ride”).
- A wide, shallow container or pallet.
- (geometry) A subset of n-dimensional space that is congruent to a Euclidean space of lower dimension.
- (in the plural) A type of flat-soled running shoe without spikes.
- The most prominent flat part of something.
- A flat-bottomed boat, without keel, and of small draught.
- (swordfighting) The flat side of a blade, as opposed to the sharp edge.
- A straw hat, broad-brimmed and low-crowned.
- A platform on a wheel, upon which emblematic designs etc. are carried in processions.
- (Australia, horse racing, with 'the' or attributively, sometimes with capital) the area in the centre of a racecourse.
- (gambling, slang) A cheater's die with the edges shaved to make certain rolls more likely.
- (in the phrase 'the flat') Level ground in general.
- (historical) An early kind of toy soldier having a flat design.
- (US) Ellipsis of flat water (“nonfizzy drinking water”).
- (chiefly British, New England, South Africa, India, Australia, New Zealand, Singapore, archaic elsewhere) A complete domicile occupying only part of a building, especially one for rent
- (Canadian Prairies, British Columbia) A 24-case of beer.
- The palm of the hand, with the adjacent part of the fingers.
- (rail transport, US) A railroad car without a roof, and whose body is a platform without sides; a platform car or flatcar.
- (mining) A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a vein not elsewhere horizontal.
- a shallow box in which seedlings are started
- a deflated pneumatic tire
- scenery consisting of a wooden frame covered with painted canvas; part of a stage setting
- a level tract of land
- a musical notation indicating one half step lower than the note named
- a suite of rooms usually on one floor of an apartment house
- freight car without permanent sides or roof
adj
- (not comparable, commerce) Of fees, fares etc., fixed; unvarying.
- Smooth; having no protrusions, indentations or other surface irregularities, or relatively so.
- (golf, of a golf club) Having a head at a very obtuse angle to the shaft.
- At a consistently depressed level; consistently lacklustre.
- (of colours) Without variation in tone or hue (uniform), and dull (not glossy).
- (algebra, ring theory, of a ring homomorphism) Such that its target, regarded as a module over its source, is flat (as above).
- (music, note) Lowered by one semitone.
- In a horizontal line or plane; not sloping.
- (juggling, of a throw) Without spin; spinless.
- (algebraic geometry, scheme theory, of a morphism of schemes) Such that the induced map on every stalk is flat (as a map of rings).
- (authorship, figuratively, especially of a character) Lacking in depth, substance, or believability; underdeveloped; one-dimensional.
- (horticulture, of certain fruits) Flattening at the ends.
- (slang) Having small or invisible breasts and/or buttocks.
- (phonetics, of a vowel) Not diphthongal; without variation in height or backness.
- (of a tire or other inflated object) Deflated, especially because of a puncture.
- (homological algebra, of a module) Such that the tensor product preserves exact sequences. See Flat module on Wikipedia.Wikipedia.
- (of a battery) Unable to emit power; dead.
- (of measurements of time) Exact.
- Without variation in level, quantity, value, tone etc.
- Having no variations in height.
- (music) Of a note or voice, lower in pitch than it should be.
- (music, voice) Without variations in pitch.
- (figurative) Lacking liveliness or action; depressed; uninteresting; dull and boring.
- Absolute; downright; peremptory.
- (grammar) Not having an inflectional ending or sign, such as a noun used as an adjective, or an adjective as an adverb, without the addition of a formative suffix; or an infinitive without the sign "to".
- (wine) Lacking acidity without being sweet.
- (of coffee) Having little froth and little milk.
- (of a carbonated drink) With all or most of its carbon dioxide having come out of solution so that the drink no longer fizzes or contains any bubbles.
- sounded or spoken in a tone unvarying in pitch
- not reflecting light; not glossy
- having lost effervescence
- lacking contrast or shading between tones
- horizontally level
- stretched out and lying at full length along the ground
- having a relatively broad surface in relation to depth or thickness
- lacking taste or flavor or tang
- flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)
- not modified or restricted by reservations
- commercially inactive
- lacking stimulating characteristics; uninteresting
- having a surface without slope, tilt in which no part is higher or lower than another
- (of a musical note) lowered in pitch by one chromatic semitone
- lacking the expected range or depth; not designed to give an illusion or depth
adv
- Completely, firmly, or unequivocally.
- Directly; flatly.
- (with units of time, distance, etc) Used to emphasize the smallness of the measurement.
- (finance, slang) Without allowance for accrued interest.
- Completely.
- (of accurately measured timings) Exactly, precisely.
- So as to be flat.
- (of a sentence) Without parole.
- with flat sails
- in a forthright manner; candidly or frankly
verb
- (transitive) To dash or throw
- (poker slang) To make a flat call; to call without raising.
- (intransitive) To become flat or flattened; to sink or fall to an even surface.
- (intransitive, music, colloquial) To fall from the pitch.
- (intransitive) To dash, rush
- (transitive, music) To depress in tone, as a musical note; especially, to lower in pitch by half a tone.
noun
- (optics) a lens that is concave on one side and convex on the other
- (physics) the curved upper surface of a nonturbulent liquid in a vertical tube
- (anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint
- (anatomy) Either of two parts of the human knee that provide structural integrity to the knee when it undergoes tension and torsion.
- (optics) A lens which is convex on one side and concave on the other, being crescent-shaped in cross-section.
- A crescent moon, or an object shaped like it.
- The curved surface of liquids in tubes, whether concave or convex, caused by the surface tension of the liquid.
prefix
noun
- A translucent sphere appearing in flash photography (Orb (optics))
- (poetic) The eye, seen as a luminous and spherical entity
- A globus cruciger; a ceremonial sphere used to represent royal or imperial power
- An orbit of an heavenly body
- (rare) A sphere of action.
- (military) A body of soldiers drawn up in a circle, as for defence, especially infantry to repel cavalry.
- (rare) The time period of an orbit
- (architecture) A blank window or panel.
- A spherical body; a sphere, especially one of the celestial spheres; a sun, planet, or star
- (astrology, uncountable) Amount of deviation from the closest perfect aspect.
- (architecture) A structural motif or finial in the shape of a sphere
- Celestial sphere; one of the azure transparent spheres conceived by the ancients to be enclosed one within another, and to carry the heavenly bodies in their revolutions
- (poetic) Any revolving circular body, such as a wheel
- an object with a spherical shape
- the ball-shaped capsule containing the vertebrate eye
verb
noun
- The reduction in apparent size of objects viewed through a lens or mirror shaped so as to increase the field of view, such as a convex or aspheric mirror or a Fresnel lens.
- (computing) The removal of white space and unnecessary characters from a web page's source code in order to reduce its size and improve download time.
noun
- (astronomy) The apparent visual edge of a celestial body.
- (on a measuring instrument) The graduated edge of a circle or arc.
- A branch of a tree.
- An elementary piece of the mechanism of a lock.
- A major appendage of human or animal, used for locomotion (such as an arm, leg or wing).
- (archery) The part of the bow, from the handle to the tip.
- Ellipsis of limb of Satan (“a wicked or mischievous child”).
- A thing or person regarded as a part or member of, or attachment to, something else.
- (botany) The border or upper spreading part of a monopetalous corolla, or of a petal or sepal; blade.
- one of the jointed appendages of an animal used for locomotion or grasping: arm, leg, wing, flipper
- any of the main branches arising from the trunk or a bough of a tree
- (astronomy) the circumferential edge of the apparent disc of the sun or the moon or a planet
- the graduated arc that is attached to an instrument for measuring angles
- either of the two halves of a bow from handle to tip
- any projection that is thought to resemble a human arm
verb
noun
noun
- an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
- a building housing an instrument for projecting the positions of the planets onto a domed ceiling
- an apparatus or model for representing the solar systems
- An orrery.
- A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
noun
name
- A village and civil parish in North East Derbyshire district, Derbyshire (OS grid ref SK3474).
- A minor city in Ballard County, Kentucky.
- A township and unincorporated community therein, in Washington County, Ohio.
- A village and civil parish in North Yorkshire, previously in Selby district (OS grid ref SE6428).
- An unincorporated community in Foster County, North Dakota.
- A minor city in Clackamas County, Oregon.
- An extinct town in Wayne County, Missouri.
- A habitational surname from Old English originating from one of these villages.
- A community in Yukon, Canada.
- A small village in the Metropolitan Borough of Gateshead, Tyne and Wear (OS grid ref NZ1560).
noun
- The optical axis.
- (crystallography, mineralogy) The direction in which a ray of light passing through a crystal does not suffer double refraction.
- in a doubly refracting crystal, the line in the direction of which no double refraction occurs
- a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted
noun
- optical properties
- (physics) The physics of light and vision: basic optical science.
- the branch of physics that studies the physical properties of light
- Technology that makes use of such physics: applied optical science; business lines making use of such technology.
- The light-related aspects of a device.
- (figuratively) Perception, image, public relations, especially in politics.
- plural of optic
noun
- A monocular optical instrument that magnifies distant objects, especially in astronomy.
- (television) A retractable tubular support for lights.
- A kind of goldfish with protruding eyes, first bred in China.
- Any instrument used in astronomy for observing distant objects (such as a radio telescope).
- a magnifier of images of distant objects
verb
- (ambitransitive, mathematics, of a series) To collapse, via cancellation.
- (ambitransitive) To slide or pass one within another, after the manner of the sections of a small telescope or spyglass.
- (ambitransitive) To extend or contract in the manner of a telescope.
- (intransitive) To come into collision, as railway cars, in such a manner that one runs into another.
- make smaller or shorter
- crush together or collapse
noun
adj
noun
- (optics) Initialism of angular aperture.
- Initialism of affirmative action.
- (pathology) Initialism of alopecia areata.
- (chemistry) Initialism of antioxidant activity.
- (chemistry) Initialism of atomic absorption.
- (insurance) Initialism of appointed actuary.
- Initialism of approximate absolute.
- (pathology) Initialism of aplastic anemia.
- Initialism of airman apprentice.
- (finance) Initialism of account aggregator.
- (politics) Initialism of Association Agreement: a treaty between the European Union, its member states and a non-EU country that creates a framework for cooperation between them.
- (organic chemistry, medicine) Initialism of amyloid A.
- (psychology) Initialism of achievement age.
- (biochemistry, medicine) Initialism of antiandrogen.
- (pathology) Initialism of aortic aneurysm.
- Initialism of Asian American.
- (statistics) Initialism of arithmetic average.
- Initialism of adoption agency.
- (organic chemistry) Initialism of ascorbic acid.
- (anatomy) Initialism of aortic arch.
- Initialism of athletic association.
- Initialism of African-American.
- (seduction community) Initialism of approach anxiety.
- (education) Initialism of Associate in Arts or Associate of Arts.
- (organic chemistry) Initialism of acetic acid.
- Initialism of air armament.
- (medicine) Initialism of arytenoid adduction.
- (organic chemistry) Initialism of amino acid.
- (organic chemistry) Initialism of acrylic acid.
- Initialism of appropriate authority.
- Initialism of acting appointment.
- (chemistry, engineering) Initialism of activated alumina.
- Initialism of aircraft artificer.
- (organic chemistry) Initialism of asymmetric aminohydroxylation.
- (medicine) Initialism of arterial aneurysm.
- (pathology) Initialism of acute appendicitis.
- (military) Initialism of avenue of approach.
- (UK, pensions) Initialism of annual allowance.
- Initialism of academic adviser.
- (military) Initialism of anti-aircraft.
- Initialism of absolute alcohol.
- (Hong Kong) Initialism of agent assistant; an assistant of a real estate agent.
- Initialism of associate administrator.
- (anatomy) Initialism of abdominal aorta.
- Initialism of armament artificer.
- (chiefly US, politics) Initialism of administrative assistant.
- An AA battery (energy-storage device).
- (organic chemistry) Initialism of arachidonic acid.
- Initialism of aircraft apprentice.
- (computer graphics) Initialism of antialiasing.
- (biochemistry) Initialism of adrenal androgen.
- (immunology) Initialism of anti-antibody.
- (gymnastics) Abbreviation of all-around.
- A member of Alcoholics Anonymous.
- Initialism of aviation annex.
- (finance) Initialism of against actual.
- (military) Initialism of assembly area.
- (broadcasting) Initialism of average audience.
- Initialism of assistant adjutant.
- (pathology) Initialism of anaplastic astrocytoma.
- (organic chemistry) Initialism of aminoacyl.
- (healthcare) Initialism of anesthesiologist assistant.
- Initialism of author's alteration.
- (medicine) Initialism of anastomotic aneurysm.
- (British English, law) Initialism of appropriate adult.
- (anatomy) Initialism of ascending aorta.
- Initialism of air attaché.
- (biochemistry) Initialism of acetaldehyde adduct.
- (aviation) Initialism of absolute altitude.
- (pathology) Initialism of allergic asthma.
- Initialism of Asian-African.
- (healthcare) Initialism of anesthesia assistant.
- an international organization that provides a support group for persons trying to overcome alcoholism
- an associate degree in arts
adj
name
- Initialism of Acta Astronautica: a scientific journal founded in 1955, covering fields related to the peaceful scientific exploration of space.
- Initialism of Air Almanac, a publication.
- Initialism of Anna's Archive.
- (UK, automotive) Initialism of The Automobile Association: a British motoring association founded in 1905.
- Initialism of The Aluminum Association: a trade association for the aluminum production, fabrication and recycling industries.
- Initialism of Arlington Annex.
- Initialism of Army Act.
- Initialism of Alcoholics Anonymous: a self-supporting organization of alcoholic people.
- Initialism of Alzheimer's Association: an American volunteer health organization focusing on care, support and research for Alzheimer's disease.
- (US, rail transport) Initialism of Ann Arbor Railroad.
- (aviation) Initialism of American Airlines: a major American airline headquartered in Fort Worth, Texas.
- (physics) Initialism of Antiproton Accumulator: an infrastructure connected to the Proton–Antiproton Collider at CERN.
- Initialism of Addicts Anonymous.
- (US, baseball) Double-A: the second-highest level of play in Minor League Baseball after Triple-A (AAA).
- Initialism of Al Ain.
- Initialism of American Anthropologist: the flagship journal of the American Anthropological Association, founded in 1888.
- (aviation) Initialism of Ansett Australia or Ansett Airways.
- Initialism of Academy Awards: a recognition of excellence in cinematic achievements, given annually by the Academy of Motion Picture Arts and Sciences.
- (US, historical, baseball) Initialism of American Association: an American minor league baseball league from 1902 to 1962 and 1969 to 1997.
- (US, historical) Initialism of Amalgamated Association of Iron and Steel Workers.
- (stock ticker symbol) Abbreviation of Alcoa.
- (US, military) USPS military code of Armed Forces – Americas.
- (occult) Alternative form of A∴A∴.
- Initialism of Aluminum America, a corporation.
- (aviation) Initialism of Aerolíneas Argentinas.
verb
noun
noun
- (optics) A flat (i.e. plane) mirror
- (American football) The areas behind the line of scrimmage to either side of an offensive football formation.
- (rail transport) A flat spot on the wheel of a rail vehicle.
- (publishing) A flat, glossy children's book with few pages.
- An area of level ground (sometimes covered with shallow or tidal water).
- (technical, theatre, stagecraft) A rectangular wooden structure covered with masonite, lauan, or muslin, often produced in standard modules, that is used to build wall surfaces on stage. Flats can be painted and outfitted with doors and/or windows to depict a building or other part of a scene, and are a hard-surfaced alternative to a backcloth or backdrop.
- (entomology) Any of various hesperiid butterflies that spread their wings open when they land.
- A flat sheet for use on a bed.
- (horse racing, with 'the' or attributively, sometimes with capital) Level horse-racing ground, as contrasted with courses incorporating jumps, or the racing done on such ground.
- (postal) A large mail piece measuring at least 8 1/2 by 11 inches, such as catalogs, magazines, and unfolded paper enclosed in large envelopes.
- (music) A note played one chromatic semitone lower than a natural, denoted by the symbol ♭ placed after the letter representing the note (e.g., B♭) or in front of the note symbol (e.g. ♭♪).
- (in the plural) A type of ladies' shoe with a very low heel.
- (informal, automotive) A flat tyre/flat tire.
- (painting) A thin, broad brush used in oil and watercolour painting.
- Ellipsis of flat ride (“spinning amusement ride”).
- A wide, shallow container or pallet.
- (geometry) A subset of n-dimensional space that is congruent to a Euclidean space of lower dimension.
- (in the plural) A type of flat-soled running shoe without spikes.
- The most prominent flat part of something.
- A flat-bottomed boat, without keel, and of small draught.
- (swordfighting) The flat side of a blade, as opposed to the sharp edge.
- A straw hat, broad-brimmed and low-crowned.
- A platform on a wheel, upon which emblematic designs etc. are carried in processions.
- (Australia, horse racing, with 'the' or attributively, sometimes with capital) the area in the centre of a racecourse.
- (gambling, slang) A cheater's die with the edges shaved to make certain rolls more likely.
- (in the phrase 'the flat') Level ground in general.
- (historical) An early kind of toy soldier having a flat design.
- (US) Ellipsis of flat water (“nonfizzy drinking water”).
- (chiefly British, New England, South Africa, India, Australia, New Zealand, Singapore, archaic elsewhere) A complete domicile occupying only part of a building, especially one for rent
- (Canadian Prairies, British Columbia) A 24-case of beer.
- The palm of the hand, with the adjacent part of the fingers.
- (rail transport, US) A railroad car without a roof, and whose body is a platform without sides; a platform car or flatcar.
- (mining) A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a vein not elsewhere horizontal.
- a shallow box in which seedlings are started
- a deflated pneumatic tire
- scenery consisting of a wooden frame covered with painted canvas; part of a stage setting
- a level tract of land
- a musical notation indicating one half step lower than the note named
- a suite of rooms usually on one floor of an apartment house
- freight car without permanent sides or roof
adj
- (not comparable, commerce) Of fees, fares etc., fixed; unvarying.
- Smooth; having no protrusions, indentations or other surface irregularities, or relatively so.
- (golf, of a golf club) Having a head at a very obtuse angle to the shaft.
- At a consistently depressed level; consistently lacklustre.
- (of colours) Without variation in tone or hue (uniform), and dull (not glossy).
- (algebra, ring theory, of a ring homomorphism) Such that its target, regarded as a module over its source, is flat (as above).
- (music, note) Lowered by one semitone.
- In a horizontal line or plane; not sloping.
- (juggling, of a throw) Without spin; spinless.
- (algebraic geometry, scheme theory, of a morphism of schemes) Such that the induced map on every stalk is flat (as a map of rings).
- (authorship, figuratively, especially of a character) Lacking in depth, substance, or believability; underdeveloped; one-dimensional.
- (horticulture, of certain fruits) Flattening at the ends.
- (slang) Having small or invisible breasts and/or buttocks.
- (phonetics, of a vowel) Not diphthongal; without variation in height or backness.
- (of a tire or other inflated object) Deflated, especially because of a puncture.
- (homological algebra, of a module) Such that the tensor product preserves exact sequences. See Flat module on Wikipedia.Wikipedia.
- (of a battery) Unable to emit power; dead.
- (of measurements of time) Exact.
- Without variation in level, quantity, value, tone etc.
- Having no variations in height.
- (music) Of a note or voice, lower in pitch than it should be.
- (music, voice) Without variations in pitch.
- (figurative) Lacking liveliness or action; depressed; uninteresting; dull and boring.
- Absolute; downright; peremptory.
- (grammar) Not having an inflectional ending or sign, such as a noun used as an adjective, or an adjective as an adverb, without the addition of a formative suffix; or an infinitive without the sign "to".
- (wine) Lacking acidity without being sweet.
- (of coffee) Having little froth and little milk.
- (of a carbonated drink) With all or most of its carbon dioxide having come out of solution so that the drink no longer fizzes or contains any bubbles.
- sounded or spoken in a tone unvarying in pitch
- not reflecting light; not glossy
- having lost effervescence
- lacking contrast or shading between tones
- horizontally level
- stretched out and lying at full length along the ground
- having a relatively broad surface in relation to depth or thickness
- lacking taste or flavor or tang
- flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)
- not modified or restricted by reservations
- commercially inactive
- lacking stimulating characteristics; uninteresting
- having a surface without slope, tilt in which no part is higher or lower than another
- (of a musical note) lowered in pitch by one chromatic semitone
- lacking the expected range or depth; not designed to give an illusion or depth
adv
- Completely, firmly, or unequivocally.
- Directly; flatly.
- (with units of time, distance, etc) Used to emphasize the smallness of the measurement.
- (finance, slang) Without allowance for accrued interest.
- Completely.
- (of accurately measured timings) Exactly, precisely.
- So as to be flat.
- (of a sentence) Without parole.
- with flat sails
- in a forthright manner; candidly or frankly
verb
- (transitive) To dash or throw
- (poker slang) To make a flat call; to call without raising.
- (intransitive) To become flat or flattened; to sink or fall to an even surface.
- (intransitive, music, colloquial) To fall from the pitch.
- (intransitive) To dash, rush
- (transitive, music) To depress in tone, as a musical note; especially, to lower in pitch by half a tone.
noun
- (optics) a lens that is concave on one side and convex on the other
- (physics) the curved upper surface of a nonturbulent liquid in a vertical tube
- (anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint
- (anatomy) Either of two parts of the human knee that provide structural integrity to the knee when it undergoes tension and torsion.
- (optics) A lens which is convex on one side and concave on the other, being crescent-shaped in cross-section.
- A crescent moon, or an object shaped like it.
- The curved surface of liquids in tubes, whether concave or convex, caused by the surface tension of the liquid.
noun
- A translucent sphere appearing in flash photography (Orb (optics))
- (poetic) The eye, seen as a luminous and spherical entity
- A globus cruciger; a ceremonial sphere used to represent royal or imperial power
- An orbit of an heavenly body
- (rare) A sphere of action.
- (military) A body of soldiers drawn up in a circle, as for defence, especially infantry to repel cavalry.
- (rare) The time period of an orbit
- (architecture) A blank window or panel.
- A spherical body; a sphere, especially one of the celestial spheres; a sun, planet, or star
- (astrology, uncountable) Amount of deviation from the closest perfect aspect.
- (architecture) A structural motif or finial in the shape of a sphere
- Celestial sphere; one of the azure transparent spheres conceived by the ancients to be enclosed one within another, and to carry the heavenly bodies in their revolutions
- (poetic) Any revolving circular body, such as a wheel
- an object with a spherical shape
- the ball-shaped capsule containing the vertebrate eye
verb
noun
- The reduction in apparent size of objects viewed through a lens or mirror shaped so as to increase the field of view, such as a convex or aspheric mirror or a Fresnel lens.
- (computing) The removal of white space and unnecessary characters from a web page's source code in order to reduce its size and improve download time.
noun
- (astronomy) The apparent visual edge of a celestial body.
- (on a measuring instrument) The graduated edge of a circle or arc.
- A branch of a tree.
- An elementary piece of the mechanism of a lock.
- A major appendage of human or animal, used for locomotion (such as an arm, leg or wing).
- (archery) The part of the bow, from the handle to the tip.
- Ellipsis of limb of Satan (“a wicked or mischievous child”).
- A thing or person regarded as a part or member of, or attachment to, something else.
- (botany) The border or upper spreading part of a monopetalous corolla, or of a petal or sepal; blade.
- one of the jointed appendages of an animal used for locomotion or grasping: arm, leg, wing, flipper
- any of the main branches arising from the trunk or a bough of a tree
- (astronomy) the circumferential edge of the apparent disc of the sun or the moon or a planet
- the graduated arc that is attached to an instrument for measuring angles
- either of the two halves of a bow from handle to tip
- any projection that is thought to resemble a human arm
verb
adj
- pertaining to a lens or lens system free of astigmatism (able to form point images)
- pertaining to or resembling or having stigmata
- not astigmatic
- (botany, anatomy) Having or relating to a stigma or stigmata.
- Marked with a stigma, or with something reproachful to character; stigmatized.
- Impressing with infamy or reproach.