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. [ Gr. &unr_;; 'a priv. + &unr_; heart. ] Without a heart; as, an acardiac fetus. [ 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. apathy and inactivity in the practice of virtue (personified as one of the deadly sins).
Syn. -- sloth, laziness [ WordNet 1.5 ]

n. 1. 1 a small Asiatic woody vine bearing many-seeded fruit.
Syn. -- genus Actinidia. [ WordNet 1.5 ]

n. 1. 1 tropical trees or shrubs or woody vines.
Syn. -- family Actinidiaceae [ WordNet 1.5 ]

n. 1. an order comprising parasites of worms.
Syn. -- order Actinomyxidia. [ WordNet 1.5 ]

n. 1. a type of parasite of worms. [ WordNet 1.5 ]

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 ]

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 ]

‖n. [ Sp. Alcaldía. ] The jurisdiction or office of an alcalde; also, the building or chamber in which he conducts the business of his office. [ Webster 1913 Suppl. ]

a. [ LL. allodialis, fr. allodium: cf. F. allodial. See Allodium. ] (Law) Pertaining to allodium; freehold; free of rent or service; held independent of a lord paramount; -- opposed to feudal; as, allodial lands; allodial system. Blackstone. [ 1913 Webster ]

a. Anything held allodially. W. Coxe. [ 1913 Webster ]

n. The allodial system. [ 1913 Webster ]

n. One who holds allodial land. [ 1913 Webster ]

adv. By allodial tenure. [ 1913 Webster ]

n. One who holds an allodium. [ 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. 1. a red-skinned member of a race of people living in North America when Europeans arrived.
Syn. -- Indian, native American, Amerindian, Red Indian [ WordNet 1.5 ]

adj. 1. of or pertaining to American Indians
Syn. -- Amerindian, Amerind, Amerindic, Indian, native American [ WordNet 1.5 ]

a. [ Pref. amphi- + arthrodial. ] Characterized by amphiarthrosis. [ 1913 Webster ]

a. (Bot.) Belonging to, or resembling, a family, or order, of plants of which the cashew tree is the type, and the species of sumac are well known examples. [ 1913 Webster ]

adj. 1. relating to British India or the English in India, or to the English and East Indian peoples or languages. [ WordNet 1.5 ]

n. 1. a person of English citizenship born or living in India. [ WordNet 1.5 ]

2. One of the Anglo-Indian race born or resident in the East Indies. [ 1913 Webster ]

a. [ L. antemeridianus; ante + meridianus belonging to midday or noon. See Meridian. ] Being before noon; in or pertaining to the forenoon. (Abbrev. a. m.) [ 1913 Webster ]

a. Preceding dinner. [ 1913 Webster ]

n. 1. 1 one of two subgroups of Nematoda used in some classification systems.
Syn. -- class Aphasmidia. [ WordNet 1.5 ]

a. (Zool.) Of or pertaining to the family Aphidæ. -- n. One of the aphides; an aphid. [ 1913 Webster ]

a. (Zool.) (a) Of or pertaining to the Arachnida. (b) Pertaining to the arachnidium. [ 1913 Webster ]

‖ [ L., the tree of Diana, or silver. ] (Chem.) A precipitation of silver, in a beautiful arborescent form. [ 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 ]

a. [ L. archidiaconus, Gr. &unr_;, equiv. to E. archdeacon. ] Of or pertaining to an archdeacon. [ 1913 Webster ]

This offense is liable to be censured in an archidiaconal visitation. Johnson. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_;, fr. &unr_; well articulated; 'a`rqron a joint + &unr_; shape. ] (Anat.) A form of diarthrodial articulation in which the articular surfaces are nearly flat, so that they form only an imperfect ball and socket. [ 1913 Webster ]

{ } a. Of or pertaining to arthrodia. [ 1913 Webster ]

n. a roundworm having a preanal sucker.
Syn. -- genus Ascaridia. [ WordNet 1.5 ]

n. [ Gr. &unr_; bladder, pouch. ] (Zool.) One of the Ascidioidea, or in a more general sense, one of the Tunicata. Also as an adj. [ 1913 Webster ]

‖n. [ NL. See Ascidium. ] (Zool.) The structure which unites together the ascidiozooids in a compound ascidian. [ 1913 Webster ]

a. (Zool.) Of or pertaining to the Asterioidea. -- n. A starfish; one of the Asterioidea. [ 1913 Webster ]

{ } a. [ Auto- + Gr. schedia`zein to do hastily. See Schediasm. ] Extemporary; offhand. [ R. ] Dean Martin. [ 1913 Webster ]