{ } a. Pertaining to Aaron, the first high priest of the Jews. [ 1913 Webster ]

{ } n. [ LL. abannatio; ad + LL. bannire to banish. ] (Old Law) Banishment. [ Obs. ] Bailey. [ 1913 Webster ]

{ } n. (Eccl. Hist.) One of a sect in Africa (4th century), mentioned by St. Augustine, who states that they married, but lived in continence, after the manner, as they pretended, of Abel. [ 1913 Webster ]

a. Of or pertaining to abietin; as, abietinic acid. [ 1913 Webster ]

n. (Biol.) One who believes that life can be produced independently of antecedent. Huxley. [ 1913 Webster ]

n. The principles or measures of abolitionists. Wilberforce. [ 1913 Webster ]

n. A person who favors the abolition of any institution, especially negro slavery. [ 1913 Webster ]

v. t. To imbue with the principles of abolitionism. [ R. ] Bartlett. [ 1913 Webster ]

n. One who performs or procures abortion; among medical personnel, also called an abortion provider. The word abortionist has negative connotations from the time when the practise was illegal in the United States, and the latter term is preferred among those who do not consider the procedure as morally reprehensible. [ 1913 Webster +PJC ]

n. An idealist. Emerson. [ 1913 Webster ]

n. 1. same as Ethiopia.
Syn. -- Ethiopia, Yaltopya [ WordNet 1.5 ]

a. Of or pertaining to Abyssinia. [ 1913 Webster ]

Abyssinian gold, an alloy of 90.74 parts of copper and 8.33 parts of zink. Ure. [ 1913 Webster ]

n. 1. A native of Abyssinia. [ 1913 Webster ]

2. A member of the Abyssinian Church. [ 1913 Webster ]

adj. 1. having companions or an escort
Syn. -- accompanied (vs. un), attended [ WordNet 1.5 ]

n. He who, or that which, accompanies. Lamb. [ 1913 Webster ]

n. [ F. accompagnement. ] That which accompanies; something that attends as a circumstance, or which is added to give greater completeness to the principal thing, or by way of ornament, or for the sake of symmetry. Specifically: (Mus.) A part performed by instruments, accompanying another part or parts performed by voices; the subordinate part, or parts, accompanying the voice or a principal instrument; also, the harmony of a figured bass. P. Cyc. [ 1913 Webster ]

n. The performer in music who takes the accompanying part. Busby. [ 1913 Webster ]

n. A player on the accordion. [ 1913 Webster ]

n. [ Acetyl + anilide. ] (Med., Chem.) An amide formed from aniline and an acetyl group (C6H5.NH.CO.CH3); it is a white crystalline compound used as an analgesic and also as an antipyretic. It has molecular weight 135.16. [ Written also acetanilid ] AS
Syn. -- phenylacetamide, N-phenylacetamide, antifebrin, antifebrine, acetylaminobenzene, acetylaniline [ 1913 Webster + WordNet 1.5 + AS ]

a. Of or pertaining to acetone; as, acetonic bodies. [ 1913 Webster ]

a. Pertaining to an achene. [ 1913 Webster ]

{ n. [ Gr. 'a priv. + &unr_; to gape. ] (Bot.) A small, dry, indehiscent fruit, containing a single seed, as in the buttercup; -- called a naked seed by the earlier botanists. [ Written also akene and achænium. ] [ 1913 Webster ]

adj. 1. not readily colored by stains; -- of substance of a cell nucleus chromatinic [ WordNet 1.5 ]

a. See Acronyc. [ 1913 Webster ]

a. [ L. acinus a grape, grapestone + -form: cf. F. acinoforme. ] 1. Having the form of a cluster of grapes; clustered like grapes. [ 1913 Webster ]

2. Full of small kernels like a grape. [ 1913 Webster ]

a. [ Gr. 'a priv. + kli`nein to incline. ] (Physics.) Without inclination or dipping; -- said of the imaginary line near the earth's equator on which the magnetic needle balances itself horizontally, having no dip. The aclinic line is also termed the magnetic equator. Prof. August. [ 1913 Webster ]

a. Of the nature of aconite. [ 1913 Webster ]

n. [ L. aconitum, Gr. &unr_;: cf. F. aconit. ] 1. (Bot.) The herb wolfsbane, or monkshood; -- applied to any plant of the genus Aconitum (tribe Hellebore), all the species of which are poisonous. [ 1913 Webster ]

2. An extract or tincture obtained from Aconitum napellus, used as a poison and medicinally. [ 1913 Webster ]

Winter aconite, a plant (Eranthis hyemalis) allied to the aconites. [ 1913 Webster ]

‖n. (Chem.) Same as Aconitine. [ 1913 Webster ]

a. 1. Of or pertaining to aconite. [ 1913 Webster ]

2. (Chem.) Pert. to or designating a crystalline tribasic acid, C6H6O6, obtained from aconite and other plants. It is a carboxyl derivative of itaconic acid. Both the natural forma from plants and the form prepared chemically have the trans-configuration. It is used in the manufacture of itaconic acid (propylene dicarboxylic acid). MI11
Syn. -- 1-propene-1, 2, 3-tricarboxylic acid, equisetic acid, citridic acid, achilleic acid [ Webster 1913 Suppl. +PJC ]

n. (Chem.) An intensely poisonous alkaloid, extracted from aconite. [ 1913 Webster ]

‖n. [ L. See Aconite. ] The poisonous herb aconite; also, an extract from it. [ 1913 Webster ]

Strong
As aconitum or rash gunpowder. Shak. [ 1913 Webster ]

‖n. [ NL., from Gr. 'a priv. + &unr_; skull. ] 1. (Physiol.) Partial or total absence of the skull. [ 1913 Webster ]

2. pl. (Zool.) The lowest group of Vertebrata, including the amphioxus, in which no skull exists. [ 1913 Webster ]

a. Wanting a skull. [ 1913 Webster ]

a. [ Cf. LL. acrimonious, F. acrimonieux. ] 1. Acrid; corrosive; as, acrimonious gall. [ Archaic ] Harvey. [ 1913 Webster ]

2. Caustic; bitter-tempered' sarcastic; as, acrimonious dispute, language, temper. [ 1913 Webster ]

adv. In an acrimonious manner. [ 1913 Webster ]

n. The quality of being acrimonious; asperity; acrimony. [ 1913 Webster ]

a. [ L. acroceraunius, fr. Gr. &unr_; high, n. pl. &unr_; heights + &unr_; thunderbolt. ] Of or pertaining to the high mountain range of “thunder-smitten” peaks (now Kimara), between Epirus and Macedonia. Shelley. [ 1913 Webster ]

n. 1. 1 a genus of herbs and shrubs of Australia and Southern Africa, with an everlasting flower; most species are usually placed in genus Helipterum.
Syn. -- genus Acroclinium [ WordNet 1.5 ]

adj. 1. 1 pertaining to acrogens, flowerless plants (ferns or mosses) in which growth occurs only at the tip of the main stem.
Syn. -- acrogenous [ WordNet 1.5 ]

n. 1. a colorless liquid compound (H2C:CH.CN); used as raw material for acrylic fibers, and as a solvent.
Syn. -- vinyl cyanide, cyanoethylene, 2-propenenitrile [ WordNet 1.5 +PJC ]

‖n.; pl. L. Actiniæ E. Actinias [ Latinized fr. Gr. &unr_;, &unr_;, ray. ] (Zool.) (a) An animal of the class Anthozoa, and family Actinidæ. From a resemblance to flowers in form and color, they are often called animal flowers and sea anemones. [ See Polyp. ]. (b) A genus in the family Actinidæ. [ 1913 Webster ]

n. 1. any sea anemone or related animal.
Syn. -- actinia, actiniarian [ WordNet 1.5 ]

n. 1. 1 the order comprising sea anemones.
Syn. -- order Actiniaria, Actinaria, order Actinaria [ WordNet 1.5 ]

n. 1. any sea anemone or related animal.
Syn. -- actinia, actinian [ WordNet 1.5 ]

a. Of or pertaining to actinism; as, actinic rays. [ 1913 Webster ]

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 ]

a. [ Gr. &unr_;, &unr_;, ray + -form. ] Having a radiated form, like a sea anemone. [ 1913 Webster ]

n. 1. 1 a genus of terrestrial ferns of tropical Asia and Africa.
Syn. -- genus Actiniopteris. [ WordNet 1.5 ]