Webster's Dictionary, 1913

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Aye-aye noun [ From the native name, probably from its cry.] (Zoology) A singular nocturnal quadruped, allied to the lemurs, found in Madagascar ( Cheiromys Madagascariensis ), remarkable for its long fingers, sharp nails, and rodent-like incisor teeth.

Aye, Ay adverb [ Perh. a modification of yea , or from the interjection of admiration or astonishment, Middle English ei , ey , why, hey, ay, well, ah, ha. Confer Middle High German & German ei , Danish ej . Or perhaps akin to aye ever.] Yes; yea; -- a word expressing assent, or an affirmative answer to a question. It is much used in viva voce voting in legislative bodies, etc.

» This word is written I in the early editions of Shakespeare and other old writers.

Aye, Ay adverb [ Icelandic ei , ey ; akin to Anglo-Saxon ā , āwa , always, Goth. aiws an age, Icelandic æfi , OHG, ...wa , Latin aevum , Greek ... an age, ..., ..., ever, always, German je , Sanskrit ...va course. ..., .... Confer Age , v. , Either , adjective , Or , conj. ] Always; ever; continually; for an indefinite time.

For his mercies aye endure.
Milton.

For aye , always ; forever; eternally.

Ayegreen noun [ Aye ever + green .] (Botany) The houseleek ( Sempervivum tectorum ). Halliwell.

Ayen, Ayein A*yeins" adverb & preposition [ Middle English ..., .... See Again .] Again; back against. [ Obsolete] Chaucer.

Ayenward adverb Backward. [ Obsolete] Chaucer.

Ayle noun [ Middle English ayel , aiel , Old French aiol , aiel , French aïeul , a dim. of Latin avus grandfather.] A grandfather. [ Obsolete]

Writ of Ayle , an ancient English writ which lay against a stranger who had dispossessed the demandant of land of which his grandfather died seized.

Ayme noun [ Confer French ahi interj.] The utterance of the ejaculation "Ay me !" [ Obsolete] See Ay , interj . " Aymees and hearty heigh-hoes." J. Fletcher.

Ayond preposition & adverb Beyond. [ North of Eng.]

Ayont preposition & adverb Beyond. [ Scot.]

Ayrie, Ayry noun See Aerie . Drayton.

Ayrshire noun (Agriculture) One of a superior breed of cattle from Ayrshire, Scotland. Ayrshires are notable for the quantity and quality of their milk.

Ayuntamiento noun [ Spanish , from OSp. ayuntar to join.] In Spain and Spanish America, a corporation or body of magistrates in cities and towns, corresponding to mayor and aldermen.

Azalea noun ; plural Azaleas [ New Latin , from Greek ... dry, -- so called because supposed to grow best in dry ground.] (Botany) A genus of showy flowering shrubs, mostly natives of China or of North America; false honeysuckle. The genus is scarcely distinct from Rhododendron.

Azarole noun [ French azerole , the name of the fruit, from Arabic az-zo'r...r : confer Italian azzeruolo , Spanish acerolo .] (Botany) The Neapolitan medlar ( Cratægus azarolus ), a shrub of southern Europe; also, its fruit.

Azedarach noun [ French azédarac , Spanish acederaque , Pers. āzāddirakht noble tree.]
1. (Botany) A handsome Asiatic tree ( Melia azedarach ), common in the southern United States; -- called also, Pride of India , Pride of China , and Bead tree .

2. (Medicine) The bark of the roots of the azedarach, used as a cathartic and emetic.

Azimuth noun [ Middle English azimut , French azimut , from Arabic as-sum...t , plural of as-samt a way, or perhaps , a point of the horizon and a circle extending to it from the zenith, as being the Arabic article: confer Italian azzimutto , Portuguese azimuth , and Arabic samt-al-rā's the vertex of the heaven. Confer Zenith .] (Astron. & Geodesy) (a) The quadrant of an azimuth circle. (b) An arc of the horizon intercepted between the meridian of the place and a vertical circle passing through the center of any object; as, the azimuth of a star; the azimuth or bearing of a line surveying.

» In trigonometrical surveying, it is customary to reckon the azimuth of a line from the south point of the horizon around by the west from 0° to 360°.

Azimuth circle , or Vertical circle , one of the great circles of the sphere intersecting each other in the zenith and nadir, and cutting the horizon at right angles. Hutton. -- Azimuth compass , a compass resembling the mariner's compass, but having the card divided into degrees instead of rhumbs, and having vertical sights; used for taking the magnetic azimuth of a heavenly body, in order to find, by comparison with the true azimuth, the variation of the needle. -- Azimuth dial , a dial whose stile or gnomon is at right angles to the plane of the horizon. Hutton. -- Magnetic azimuth , an arc of the horizon, intercepted between the vertical circle passing through any object and the magnetic meridian. This is found by observing the object with an azimuth compass.

Azimuthal adjective Of or pertaining to the azimuth; in a horizontal circle.

Azimuthal error of a transit instrument, its deviation in azimuth from the plane of the meridian.

Azo- [ See Azote .] (Chemistry) A combining form of azote ; (a) Applied loosely to compounds having nitrogen variously combined, as in cyanides, nitrates, etc. (b) Now especially applied to compounds containing a two atom nitrogen group uniting two hydrocarbon radicals, as in azo benzene, azo benzoic, etc. These compounds furnish many artificial dyes. See Diazo- .

Azobenzene noun [ Azo- + benzene .] (Chemistry) A substance (C 6 H 5 .N 2 .C 6 H 5 ) derived from nitrobenzene, forming orange red crystals which are easily fusible.

Azogue noun [ Spanish See Azoth .] Lit.: Quicksilver ; hence: plural (Mining) Silver ores suitable for treatment by amalgamation with mercury. [ Spanish Amer.]

Azoic adjective [ Greek 'a priv. + ... life, from ... to live.] Destitute of any vestige of organic life, or at least of animal life; anterior to the existence of animal life; formed when there was no animal life on the globe; as, the azoic . rocks.

Azoic age (Geol.) , the age preceding the existence of animal life, or anterior to the paleozoic tome. Azoic is also used as a noun, age being understood. See Archæan , and Eozoic .

Azole noun [ From Azote .] (Org. Chem.) Any of a large class of compounds characterized by a five-membered ring which contains an atom of nitrogen and at least one other noncarbon atom (nitrogen, oxygen, sulphur). The prefixes furo- , thio , and pyrro- are used to distinguish three subclasses of azoles, which may be regarded as derived respectively from furfuran, thiophene, and pyrrol by replacement of the CH group by nitrogen; as, furo -monazole. Names exactly analogous to those for the azines are also used; as, oxazole , diazole , etc.

Azoleic adjective [ Azo- + oleic .] (Chemistry) Pertaining to an acid produced by treating oleic with nitric acid. [ R.]

Azonic adjective [ Greek ...; 'a priv. + ... zone, region.] Confined to no zone or region; not local.

Azorian adjective Of or pertaining to the Azores. -- noun A native of the Azores.

Azote noun [ French azote , from Greek 'a priv. + ... life; -- so named by Lavoisier because it is incapable of supporting life.] Same as Nitrogen . [ R.]

Azote noun [ Spanish ] A switch or whip. [ Spanish Amer.]

Azoted adjective Nitrogenized; nitrogenous.

Azoth noun [ Late Latin azoch , azoth , from Arabic az-zauq mercury.] (Alchemy) (a) The first principle of metals, i. e. , mercury, which was formerly supposed to exist in all metals, and to be extractable from them. (b) The universal remedy of Paracelsus.

Azotic adjective (Chemistry) Pertaining to azote, or nitrogen; formed or consisting of azote; nitric; as, azotic gas; azotic acid. [ R.] Carpenter.

Azotine noun Also - tin [ Azote + -ine .]
1. An explosive consisting of sodium nitrate, charcoal, sulphur, and petroleum.

2. = 1st Ammonite , 2.

Azotite noun (Chemistry) A salt formed by the combination of azotous, or nitrous, acid with a base; a nitrite. [ R.]

Azotize transitive verb [ imperfect & past participle Azotized ; present participle & verbal noun Azotizing ] To impregnate with azote, or nitrogen; to nitrogenize.

Azotometer noun [ Azote + - meter .] (Chemistry) An apparatus for measuring or determining the proportion of nitrogen; a nitrometer.

Azotous adjective Nitrous; as, azotous acid. [ R.]

Azoturia noun [ New Latin ; azote + Greek ... urine.] (Medicine) Excess of urea or other nitrogenous substances in the urine.

Aztec adjective Of or relating to one of the early races in Mexico that inhabited the great plateau of that country at the time of the Spanish conquest in 1519. -- noun One of the Aztec race or people.

Azure adjective [ French & OSp. azur , Spanish azul , through Arabic from Persian lājaward , or lājuward , lapis lazuli, a blue color, lājawardī , lājuwardī , azure, cerulean, the initial l having been dropped, perhaps by the influence of the Arabic azr-aq azure, blue. Confer German lasur , lasur stein, azure color, azure stone, and New Latin lapis lazuli .] Sky-blue; resembling the clear blue color of the unclouded sky; cerulean; also, cloudless.

Azure stone (Min.) , the lapis lazuli; also, the lazulite.

Azure noun
1. The lapis lazuli. [ Obsolete]

2. The clear blue color of the sky; also, a pigment or dye of this color. "In robes of azure ." Wordsworth.

3. The blue vault above; the unclouded sky.

Not like those steps
On heaven's azure .
Milton.

4. (Her.) A blue color, represented in engraving by horizontal parallel lines.

Azure transitive verb To color blue.

Azured adjective Of an azure color; sky-blue. "The azured harebell." Shak.

Azureous adjective (Zoology) Of a fine blue color; azure.

Azurine adjective [ Confer Azurn .] Azure.

Azurine noun (Zoology) The blue roach of Europe ( Leuciscus cæruleus ); -- so called from its color.

Azurite noun (Min.) Blue carbonate of copper; blue malachite.

Azurn adjective [ Confer Old French azurin , asurin , Late Latin azurinus . See Azure , adjective ] Azure. [ Obsolete]

Thick set with agate, and the azurn sheen
Of turkis blue, and emerald green.
Milton.

Azygous adjective [ Greek ...; 'a priv. + ... yoke.] Odd; having no fellow; not one of a pair; single; as, the azygous muscle of the uvula.

Azym, Azyme noun [ French azyme unleavened, Latin azymus , from Greek ...; 'a priv. + ... leaven.] Unleavened bread.

Azymic adjective Azymous.

Azymite noun [ Confer French azymite .] (Eccl. Hist.) One who administered the Eucharist with unleavened bread; -- a name of reproach given by those of the Greek church to the Latins.