Webster's Unabridged Dictionary - Letter A - Page 82
Approximate (v. t.) 接近，近似 [L]；使接近 [（+to）] To carry or advance near; to cause to approach.
Approximate (v. t.) To come near to; to approach.
Approximate (v. i.) 接近 [（+to）] To draw; to approach.
Approximate (a.) Not quite exact or correct; "the approximate time was 10 o'clock"; "a rough guess"; "a ballpark estimate" [syn: {approximate}, {approximative}, {rough}].
Approximate (a.) Very close in resemblance; "sketched in an approximate likeness"; "a near likeness" [syn: {approximate}, {near}].
Approximate (a.) Located close together; "with heads close together"; "approximate leaves grow together but are not united" [syn: {approximate}, {close together(p)}].
Approximate (v.) Be close or similar; "Her results approximate my own" [syn: {approximate}, {come close}].
Approximate (v.) Judge tentatively or form an estimate of (quantities or time); "I estimate this chicken to weigh three pounds" [syn: {estimate}, {gauge}, {approximate}, {guess}, {judge}].
Approximately (adv.) 大約，大致，近乎 With approximation; so as to approximate; nearly.
Approximately (adv.) (of quantities) Imprecise but fairly close to correct; "lasted approximately an hour"; "in just about a minute"; "he's about 30 years old"; "I've had about all I can stand"; "we meet about once a month"; "some forty people came"; "weighs around a hundred pounds"; "roughly $3,000"; "holds 3 gallons, more or less"; "20 or so people were at the party" [syn: {approximately}, {about}, {close to}, {just about}, {some}, {roughly}, {more or less}, {around}, {or so}].
Approximation (n.) 接近；近似額；概算；[數] 近似值 The act of approximating; a drawing, advancing or being near; approach; also, the result of approximating.
Approximation (n.) An approach to a correct estimate, calculation, or conception, or to a given quantity, quality, etc.
Approximation (n.) A continual approach or coming nearer to a result; as, to solve an equation by approximation.
Approximation (n.) A value that is nearly but not exactly correct.
Approximative (a.) 近似的 Approaching; approximate.
Approximator (n.) 近似者，接近者 One who, or that which, approximates.
Appui (n.) 【法】【軍】支援，支持；預備隊；後援隊 A support or supporter; a stay; a prop. [Obs.]
If a vine be to climb trees that are of any great height, there would be stays and appuies set to it. -- Holland.
Appui (n.) (Man.) The mutual bearing or support of the hand of the rider and the mouth of the horse through the bit and bridle.
{Point d'appui}. [F., a point of support.] (Mil.) 【法】 支承，支點，【軍】據點，集合點
(a) A given point or body, upon which troops are formed, or by which are marched in line or column.
(b) An advantageous defensive support, as a castle, morass, wood, declivity, etc.
(c) Any point of support or basis of operations, as a rallying point.
Appulse (n.) 趨向 A driving or running towards; approach; impulse; also, the act of striking against.
In all consonants there is an appulse of the organs. -- Holder.
Appulse (n.) (Astron.) The near approach of one heavenly body to another, or to the meridian; a coming into conjunction; as, the appulse of the moon to a star, or of a star to the meridian.
Appulse (n.) (In British) A very close approach of two celestial bodies so that they are in conjunction but no eclipse or occultation occurs.
Appulsion (n.) 趨向 A driving or striking against; an appulse.
Appulsive (a.) 趨向的 Striking against; impinging; as, the appulsive influence of the planets. -- P. Cyc.
Appulsively (adv.) 趨向地 By appulsion.
Appurtenance (n.) 附加物，附屬物；附帶權利；【律】附屬物 That which belongs to something else; an adjunct; an appendage; an accessory; something annexed to another thing more worthy; in common parlance and legal acceptation, something belonging to another thing as principal, and which passes as incident to it, as a right of way, or other easement to land; a right of common to pasture, an outhouse, barn, garden, or orchard, to a house or messuage. In a strict legal sense, land can never pass as an appurtenance to land. -- Tomlins. -- Bouvier. -- Burrill.
Globes . . . provided as appurtenances to astronomy. -- Bacon.
The structure of the eye, and of its appurtenances. -- Reid.
Appurtenance (n.) Equipment consisting of miscellaneous articles needed for a particular operation or sport etc. [syn: {gear}, {paraphernalia}, {appurtenance}].
Appurtenance (n.) A supplementary component that improves capability [syn: {accessory}, {appurtenance}, {supplement}, {add-on}].
Appurtenant (a.) 附屬的，從屬的 Annexed or pertaining to some more important thing; accessory; incident; as, a right of way appurtenant to land or buildings. -- Blackstone.
{Common appurtenant}. (Law) See under {Common, n.}
Appurtenant (n.) 附屬物 Something which belongs or appertains to another thing; an appurtenance.
Mysterious appurtenants and symbols of redemption. -- Coleridge.
Appertinent (a.) Belonging; appertaining. [Now usually written {appurtenant}.] -- Coleridge.
Appurtenant (a.) Furnishing added support; "an ancillary pump"; "an adjuvant discipline to forms of mysticism"; "The mind and emotions are auxiliary to each other" [syn: {accessory}, {adjunct}, {ancillary}, {adjuvant}, {appurtenant}, {auxiliary}].
Appurtenant (n.) Belonging to; pertaining to of right.
Apricate (v. t. & i.) 曬太陽 To bask in the sun. -- Boyle.
Aprication (n.) Basking in the sun.
Aprication (n.) (Uncountable) (Rare) The act of apricating, or basking in the sun.
Apricot (n.) A fruit allied to the plum, of an orange color, oval shape, and delicious taste; also, the tree (Prunus Armeniaca of Linnaeus) which bears this fruit. By cultivation it has been introduced throughout the temperate zone.
April (n.) The fourth month of the year.
April (n.) Fig.: With reference to April being the month in which vegetation begins to put forth, the variableness of its weather, etc.
A priori () Characterizing that kind of reasoning which deduces consequences from definitions formed, or principles assumed, or which infers effects from causes previously known; deductive or deductively. The reverse of a posteriori.
A priori () Applied to knowledge and conceptions assumed, or presupposed, as prior to experience, in order to make experience rational or possible.
Apriorism (n.) An a priori principle.
Apriority (n.) The quality of being innate in the mind, or prior to experience; a priori reasoning.
Aprocta (n. pl.) A group of Turbellaria in which there is no anal aperture.
Aproctous (a.) Without an anal office.
Apron (n.) [C] 圍裙，圍腰布，工作裙；停機坪；臺口（指舞臺幕布前的部分）；【建】遮簷板；窗臺 An article of dress, of cloth, leather, or other stuff, worn on the fore part of the body, to keep the clothes clean, to defend them from injury, or as a covering. It is commonly tied at the waist by strings.
Apron (n.) Something which by its shape or use suggests an apron.
Apron (n.) The fat skin covering the belly of a goose or duck.
Apron (n.) A piece of leather, or other material, to be spread before a person riding on an outside seat of a vehicle, to defend him from the rain, snow, or dust; a boot.
Apron (n.) A leaden plate that covers the vent of a cannon.
Apron (n.) A piece of carved timber, just above the foremost end of the keel.
Apron (n.) A platform, or flooring of plank, at the entrance of a dock, against which the dock gates are shut.
Apron (n.) A flooring of plank before a dam to cause the water to make a gradual descent.
Apron (n.) The piece that holds the cutting tool of a planer.
Apron (n.) A strip of lead which leads the drip of a wall into a gutter; a flashing.
Apron (n.) The infolded abdomen of a crab.
Apron (n.) A garment of cloth or leather or plastic that is tied about the waist and worn to protect your clothing.
Apron (n.) (Golf) The part of the fairway leading onto the green.
Apron (n.) The part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain) [syn: {proscenium}, {apron}, {forestage}].
Apron (n.) A paved surface where aircraft stand while not being used.
Aproned (a.) Wearing an apron.
Apronfuls (n. pl. ) of Apronful
Apronful (n.) The quantity an apron can hold.
Apronless (a.) Without an apron.
Apron man () A man who wears an apron; a laboring man; a mechanic.
Apron string () The string of an apron.
Aprosos (a. & adv.) (a.) 適當的；切題的；中肯的 (adv.) 適當地；恰當地；及時地 Opportunely or opportune; seasonably or seasonable.
A tale extremely apropos. -- Pope.
Aprosos (a. & adv.) By the way; to the purpose; suitably to the place or subject; -- a word used to introduce an incidental observation, suited to the occasion, though not strictly belonging to the narration.
Apropos (adv.) At an opportune time; "your letter arrived apropos" [syn: {seasonably}, {timely}, {well-timed}, {apropos}].
Apropos (adv.) Introducing a different topic; in point of fact; "incidentally, I won't go to the party" [syn: {by the way}, {by the bye}, {incidentally}, {apropos}].
Apropos (a.) Of an appropriate or pertinent nature [ant: {malapropos}].
Apropos (adv.) (Preposition) ( Formal) 說到…；關於…；就…而言 Used to introduce something that is related to or connected with something that has just been said.
// I had an email from Sally yesterday - apropos (of) which, did you send her that article?
// Apropos what you said yesterday, I think you made the right decision.
Apropos (adj.) [ After verb ] (Formal) 適時的；恰當的Suitable in a particular situation or at a particular time.
// Clothes that are apropos to the occasion.
Apse (n.) A projecting part of a building, esp. of a church, having in the plan a polygonal or semicircular termination, and, most often, projecting from the east end. In early churches the Eastern apse was occupied by seats for the bishop and clergy.
Apse (n.) The bishop's seat or throne, in ancient churches.
Apse (n.) A reliquary, or case in which the relics of saints were kept.
Apsidal (a.) Of or pertaining to the apsides of an orbit.
Apsidal (a.) Of or pertaining to the apse of a church; as, the apsidal termination of the chancel.
Apsides (n. pl.) See Apsis.
Apsides (n. pl. ) of Apsis
Apsis (n.) 【建】教堂東端之半圓室；半圓壁龕；【天】拱（極）點，近（遠）日點 One of the two points of an orbit, as of a planet or satellite, which are at the greatest and least distance from the central body, corresponding to the aphelion and perihelion of a planet, or to the apogee and perigee of the moon. The more distant is called the higher apsis; the other, the lower apsis; and the line joining them, the line of apsides.
Apsis (n.) In a curve referred to polar coordinates, any point for which the radius vector is a maximum or minimum.
Apsis (n.) Same as Apse.
APT () Automatically Programmed Tools.
APT () Audio Processing Technology.
Apt (a.) 易於……的；有……傾向的；[F] [+to-v]；恰當的，貼切的；聰明的，反應敏捷的 [（+at）] Fit or fitted; suited; suitable; appropriate.
They have always apt instruments. -- Burke.
A river . . . apt to be forded by a lamb. -- Jer. Taylor.
Apt (a.) Having an habitual tendency; habitually liable or likely; -- used of things.
My vines and peaches . . . were apt to have a soot or smuttiness upon their leaves and fruit. -- Temple.
This tree, if unprotected, is apt to be stripped of the leaves by a leaf-cutting ant. -- Lubbock.
Apt (a.) Inclined; disposed customarily; given; ready; -- used of persons.
Apter to give than thou wit be to ask. -- Beau. & Fl.
That lofty pity with which prosperous folk are apt to remember their grandfathers. -- F. Harrison.
Apt (a.) Ready; especially fitted or qualified (to do something); quick to learn; prompt; expert; as, a pupil apt to learn; an apt scholar. "An apt wit." -- Johnson.
Live a thousand years, I shall not find myself so apt to die. -- Shak.
I find thee apt . . . Now, Hamlet, hear. -- Shak.
Syn: Fit; meet; suitable; qualified; inclined; disposed; liable; ready; quick; prompt.
Apt (a.) (Usually followed by `to') Naturally disposed toward; "he is apt to ignore matters he considers unimportant"; "I am not minded to answer any questions" [syn: {apt(p)}, {disposed(p)}, {given(p)}, {minded(p)}, {tending(p)}].
Apt (a.) At risk of or subject to experiencing something usually unpleasant; "he is apt to lose"; "she is liable to forget" [syn: {apt(p)}, {liable(p)}].
Apt (a.) Mentally quick and resourceful; "an apt pupil"; "you are a clever man...you reason well and your wit is bold"-Bram Stoker [syn: {apt}, {clever}].
Apt (a.) Being of striking appropriateness and pertinence; "the successful copywriter is a master of apposite and evocative verbal images"; "an apt reply" [syn: {apposite}, {apt}, {pertinent}].
APT () Address Pass Through
APT () Advanced Package Tool (Linux, Debian)
APT () Advanced Photoscale Technology (Brother)
APT () Automatically Programmed Tools
Apt (v. t.) To fit; to suit; to adapt. [Obs.] " To apt their places." -- B. Jonson.
That our speech be apted to edification. -- Jer. Taylor.
Aptable (a.) Capable of being adapted.
Aptate (v. t.) To make fit.
Aptera (n. pl.) Insects without wings, constituting the seventh Linnaen order of insects, an artificial group, which included Crustacea, spiders, centipeds, and even worms. These animals are now placed in several distinct classes and orders.
Apteral (a.) Apterous.
Apteral (a.) Without lateral columns; -- applied to buildings which have no series of columns along their sides, but are either prostyle or amphiprostyle, and opposed to peripteral.
Apteran (n.) One of the Aptera.
Apteria (n. pl.) Naked spaces between the feathered areas of birds. See Pteryliae.
Apterous (a.) Destitute of wings; apteral; as, apterous insects.
Apterous (a.) Destitute of winglike membranous expansions, as a stem or petiole; -- opposed to alate.
Apteryges (n. pl.) An order of birds, including the genus Apteryx.
Apteryx (n.) A genus of New Zealand birds about the size of a hen, with only short rudiments of wings, armed with a claw and without a tail; the kiwi. It is allied to the gigantic extinct moas of the same country. Five species are known.
Aptitude (n.) 傾向，習性 [U] [C] [（+for）]；天資，才能；穎悟 [U] [C] [（+for）]；恰當；適宜 [U] A natural or acquired disposition or capacity for a particular purpose, or tendency to a particular action or effect; as, oil has an aptitude to burn.
He seems to have had a peculiar aptitude for the management of irregular troops. -- Macaulay.
Aptitude (n.) A general fitness or suitableness; adaptation.
That sociable and helpful aptitude which God implanted between man and woman. -- Milton.
Aptitude (n.) Readiness in learning; docility; aptness.
He was a boy of remarkable aptitude. -- Macaulay.
Aptitude (n.) Inherent ability [ant: {inaptitude}].
Aptitudinal (a.) Suitable; fit.
Aptly (adv.) In an apt or suitable manner; fitly; properly; pertinently; appropriately; readily.
Aptness (n.) Fitness; suitableness; appropriateness; as, the aptness of things to their end.
Aptness (n.) Disposition of the mind; propensity; as, the aptness of men to follow example.
Aptness (n.) Quickness of apprehension; readiness in learning; docility; as, an aptness to learn is more observable in some children than in others.
Aptness (n.) Proneness; tendency; as, the aptness of iron to rust.
Aptote (n.) A noun which has no distinction of cases; an indeclinable noun.
Aptotic (a.) Pertaining to, or characterized by, aptotes; uninflected; as, aptotic languages.
Aptychus (n.) A shelly plate found in the terminal chambers of ammonite shells. Some authors consider them to be jaws; others, opercula.
Apus (n.) A genus of fresh-water phyllopod crustaceans. See Phyllopod.
Apyretic (a.) Without fever; -- applied to days when there is an intermission of fever.
Apyrexia (n.) Alt. of Apyrexy
Apyrexy (n.) The absence or intermission of fever.
Apyrexial (a.) Relating to apyrexy.
Apyrous (a.) Incombustible; capable of sustaining a strong heat without alteration of form or properties.
Aqua (n.) Water; -- a word much used in pharmacy and the old chemistry, in various signification, determined by the word or words annexed.
Aqua fortis () Nitric acid.
Aquamarine (n.) A transparent, pale green variety of beryl, used as a gem. See Beryl.
Aquapuncture (n.) The introduction of water subcutaneously for the relief of pain.
Aquarelle (n.) A design or painting in thin transparent water colors; also, the mode of painting in such colors.
Aquarellist (n.) A painter in thin transparent water colors.
Aquarial (a.) Alt. of Aquarian