n. 1. the French-speaking part of the Canadian Maritime Provinces. [ WordNet 1.5 ]

a. Of or pertaining to Acadia, or Nova Scotia. “Acadian farmers.” Longfellow. -- n. A native of Acadie. [ 1913 Webster ]

Acadian epoch (Geol.), an epoch at the beginning of the American paleozoic time, and including the oldest American rocks known to be fossiliferous. See Geology. --
Acadian owl (Zool.), a small North American owl (Nyctule Acadica); the saw-whet. [ 1913 Webster ]

a. [ From the city Accad. See Gen. x. 10. ] Pertaining to a race supposed to have lived in Babylonia before the Assyrian conquest. [ 1913 Webster ]

-- Ac*ca"di*an, n., Ac"cad n. Sayce. [ 1913 Webster ]

n. 1. (Palaeontology) the evolutionary generation of multiple specialized life forms from one ancestral form, evidenced in the fossil record. The inverse of extinction. [ PJC ]

‖n. [ Sp. ] A Spanish red wine made of the first ripe grapes. [ 1913 Webster ]

a. [ Gr. 'adia`batos not passable; 'a priv. + dia` through + bai`nein to go. ] (Physics) Not giving out or receiving heat. -- Ad`i*a*bat`ic*al*ly, adv. [ Webster 1913 Suppl. ]

☞The adiabatic expansion of carbon dioxide from a compressed container causes the temperature of the gas to decrease rapidly below its freezing point, resulting in the familiar carbon dioxide “snow” emitted by carbon dioxide fire extinguishers. [ PJC. ]

Adiabatic line or
curve, a curve exhibiting the variations of pressure and volume of a fluid when it expands without either receiving or giving out heat. Rankine. [ 1913 Webster ]

a. [ Pref. a- not + diactinic. ] (Chem.) Not transmitting the actinic rays. [ 1913 Webster ]

‖n. [ L., fr. Gr. 'adi`anton, maidenhair; 'a priv. + diai`nein to wet. ] (Bot.) A genus of ferns, the leaves of which shed water; maidenhair. Also, the black maidenhair, a species of spleenwort. [ 1913 Webster ]

n. Religious indifference. [ 1913 Webster ]

n. [ See Adiaphorous. ] (Eccl. Hist.) One of the German Protestants who, with Melanchthon, held some opinions and ceremonies to be indifferent or nonessential, which Luther condemned as sinful or heretical. Murdock. [ 1913 Webster ]

a. Pertaining to matters indifferent in faith and practice. Shipley. [ 1913 Webster ]

n. Same as Adiaphorist. [ 1913 Webster ]

a. [ Gr. 'adia`foros; 'a priv. + dia`foros different; dia` through + fe`rein to bear. ] 1. Indifferent or neutral. Jer. Taylor. AS [ 1913 Webster ]

2. (Med.) Incapable of doing either harm or good as a medicine. Dunglison. [ 1913 Webster + AS ]

n. [ Gr. 'adiafori`a. ] Indifference. [ Obs. ] [ 1913 Webster ]

a. [ Gr. 'a priv. + dia` through + &unr_;heat. ] Not pervious to heat. [ 1913 Webster ]

interj. & adv. [ OE. also adew, adewe, adue, F. &unr_; dieu, fr. L. ad to + deus God. ] Good-by; farewell; an expression of kind wishes at parting. [ 1913 Webster ]

n.; pl. Adieus A farewell; commendation to the care of God at parting. Shak. [ 1913 Webster ]

v. t. [ p. p. Adight. ] [ Pref. a- (intensive) + OE. dihten. See Dight. ] To set in order; to array; to attire; to deck, to dress. [ Obs. ] [ 1913 Webster ]

‖interj. [ Sp., fr. L. ad to + deus god. Cf. Adieu. ] Adieu; farewell; good-by; -- chiefly used among Spanish-speaking people; as, adios amigos (good-bye friends). [ Webster 1913 Suppl. ]

☞ This word is often pronounced but the Spanish accent, though weak, is on the final syllable. [ Webster 1913 Suppl. ]

a. [ L. adeps, adipis, fat + -escent. ] Becoming fatty. [ 1913 Webster ]

a. [ L. adeps, adipis, fat. ] (Chem.) Pertaining to, or derived from, fatty or oily substances; -- applied to certain acids obtained from fats by the action of nitric acid. [ 1913 Webster ]

an aliphatic dicarboxylic acid (HO.CO.(CH2)4.CO.OH), containing six carbon atoms in a linear chain. It is found in beet juice. It is used in the manufacture of synthetic plastics such as Nylon, as well as other products. [ PJC ]

v. t. To convert into adipocere. [ 1913 Webster ]

n. The act or process of changing into adipocere. [ 1913 Webster ]

n. [ L. adeps, adipis, fat + cera wax: cf. F. adipocere. ] A soft, unctuous, or waxy substance, of a light brown color, into which the fat and muscle tissue of dead bodies sometimes are converted, by long immersion in water or by burial in moist places. It is a result of fatty degeneration. [ 1913 Webster ]

a. [ Adipocere + -form. ] Having the form or appearance of adipocere; as, an adipoceriform tumor. [ 1913 Webster ]

a. Like adipocere. [ 1913 Webster ]

a. [ See Adipose; -genous. ] (Med.) Producing fat. AS [ Webster 1913 Suppl. ]

‖n. [ NL.; L. adeps, adipis, fat + Gr. ly`sis a loosing. ] (Physiol.) The digestion of fats. [ Webster 1913 Suppl. ]

a. [ L. adeps, adipis, fat + Gr. &unr_; to loose. ] (Chem.) Hydrolyzing fats; converting neutral fats into glycerin and free fatty acids, esp. by the action of an enzyme; as, adipolytic action. Contrast saponify, to hydrolyze fat by the action of an alkali. [ Webster 1913 Suppl. ]

‖n.; L. pl. adipomata /plu>. [ NL. See adipose; -oma. ] (Med.) An obsolete term for lipoma. -- Ad`i*pom"a*tous a. [AS]

n. (Physiol.) The fat present in the cells of adipose tissue, composed mainly of varying mixtures of tripalmitin, tristearin, and triolein. It solidifies after death. [ Webster 1913 Suppl. ]

a. [ L. adeps, adipis, fat, grease. ] Of or pertaining to animal fat; fatty. [ 1913 Webster ]

Adipose fin (Zool.), a soft boneless fin. --
Adipose tissue (Anat.), that form of animal tissue which forms or contains fat. [ 1913 Webster ]

{ } n. The state of being fat; fatness. [ 1913 Webster ]

a. Fatty; adipose. [ R. ] [ 1913 Webster ]

‖ n. [ Gr. 'a`dipsos not thirsty; 'a priv. + di`psa thirst. ] (Med.) Absence of thirst. [ 1913 Webster + AS ]

a. [ Gr. 'a`dipsos; 'a priv. + di`psa, thirst. ] Quenching thirst, as certain fruits. [ 1913 Webster ]

n. [ L. aditus, fr. adire, aditum, to go to; ad + ire to go. ] 1. An entrance or passage. Specifically: The nearly horizontal opening by which a mine is entered, or by which water and ores are carried away; -- called also drift and tunnel. [ 1913 Webster ]

2. Admission; approach; access. [ R. ] [ 1913 Webster ]

Yourself and yours shall have
Free adit. Tennyson. [ 1913 Webster ]

n. 1. (Hinduism) one of 7 to 12 sons of Aditi; gods of celestial light. [ WordNet 1.5 ]

n. [ From Aladin, for Ala Eddin, i. e., height of religion, a learned divine under Mohammed II. and Bajazet II. ] One of a sect of freethinkers among the Muslims. [ 1913 Webster ]

{ ‖‖ } n. [ F. almadie (cf. Sp. & Pg. almadia), fr. Ar. alma'dīyah a raft, float. ] (Naut.) (a) A bark canoe used by the Africans. (b) A boat used at Calicut, in India, about eighty feet long, and six or seven broad. [ 1913 Webster ]

‖n. [ L., fr. Gr. &unr_;; &unr_; + &unr_; to double, &unr_;, &unr_;, twofold, double. ] (Rhet.) A repetition of the last word or any prominent word in a sentence or clause, at the beginning of the next, with an adjunct idea; as, “He retained his virtues amidst all his misfortunes -- misfortunes which no prudence could foresee or prevent.” [ 1913 Webster ]

n. [ L. Arcadia, Gr. &unr_;. ] 1. A mountainous and picturesque district of Greece, in the heart of the Peloponnesus, whose people were distinguished for contentment and rural happiness. [ 1913 Webster ]

2. Fig.: Any region or scene of simple pleasure and untroubled quiet. [ 1913 Webster ]

Where the cow is, there is Arcadia. J. Burroughs. [ 1913 Webster ]

{ } a. [ L. Arcadius, Arcadicus, fr. Arcadia: cf. F. Arcadien, Arcadique. ] 1. Of or pertaining to Arcadia; pastoral; ideally rural; as, Arcadian simplicity or scenery. [ 1913 Webster ]

2. the dialect of Ancient Greek spoken by Arcadians. [ WordNet 1.5 ]

n. 1. 1 a family comrising the pill bugs.
Syn. -- family Armadillidiidae. [ WordNet 1.5 ]

n. 1. 1 the type genus of the Armadillidiidae.
Syn. -- genus Armadillidium. [ WordNet 1.5 ]

n.; pl. Armadillos [ Sp. armadillo, dim. of armado armed, p. p. of armar to arm. So called from being armed with a bony shell. ] (Zool.) (a) Any edentate animal if the family Dasypidæ, peculiar to America. The body and head are incased in an armor composed of small bony plates. The armadillos burrow in the earth, seldom going abroad except at night. When attacked, they curl up into a ball, presenting the armor on all sides. Their flesh is good food. There are several species, one of which (the peba) is found as far north as Texas. See Peba, Poyou, Tatouay. (b) A genus of small isopod Crustacea that can roll themselves into a ball. [ 1913 Webster ]

n. [ Auto- + radiogram. ] (Biochemistry) an image produced upon photographic film by exposure of the film to a radioactive substance in close proximity to (usually in contact with) the film. Recording the distribution of radioactive materials on an autoradiogram is a technique much used in biochemical research as part of analytical procedures, in which radioactively labeled substances are subjected to a separation process (such as electrophoresis) which can help to characterize the substance, and the resulting distribution of the labeled substance is recorded on an autoradiogram. In microbiology and cell biology, autoradiograms may be made on the same film as a photomicrograph, permitting observation of the distribution of labeled compounds within a cell. [ PJC ]

n. same as autoradiogram. [ PJC ]

n. the process of producing an autoradiogram by exposing photographic film to a radioactive substance in close proximity to the film. [ PJC ]