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A — Atabal to Atmolyzation (Part 1 of 7)

Atabal
(At"a*bal) n. [Sp. atabal, fr. Ar. at-tabl the drum, tabala to beat the drum. Cf. Tymbal.] A kettledrum; a kind of tabor, used by the Moors. Croly.

Atacamite
(A*tac"a*mite) n. [From the desert of Atacama, where found.] (Min.) An oxychloride of copper, usually in emerald-green prismatic crystals.

Atafter
(At`aft"er) prep. After. [Obs.] Chaucer.

Ataghan
(At"a*ghan) n. See Yataghan.

Atake
(A*take") v. t. To overtake. [Obs.] Chaucer.

Ataman
(At"a*man) n. [Russ. ataman': cf. Pol. hetman, G. hauptmann headman, chieftain. Cf. Hetman.] A hetman, or chief of the Cossacks.

Ataraxia
(||At`a*rax"i*a At"a*rax`y) n. [NL. ataraxia, Gr. 'ataraxi`a; 'a priv. + tarakto`s disturbed, tara`ssein to disturb.] Perfect peace of mind, or calmness.

Ataunt
(A*taunt" A*taunt"o) adv. [F. autant as much ] (Naut.) Fully rigged, as a vessel; with all sails set; set on end or set right.

Atavic
(A*tav"ic) a. [Cf. F. atavique.] Pertaining to a remote ancestor, or to atavism.

Atavism
(At"a*vism) n. [L. atavus an ancestor, fr. avus a grandfather.] (a) The recurrence, or a tendency to a recurrence, of the original type of a species in the progeny of its varieties; resemblance to remote rather than to near ancestors; reversion to the original form. (b) (Biol.) The recurrence of any peculiarity or disease of an ancestor in a subsequent generation, after an intermission for a generation or two.

Now and then there occur cases of what physiologists call atavism, or reversion to an ancestral type of character.
J. Fiske

Ataxia
(||A*tax"i*a At"ax*y) n. [NL. ataxia, Gr. fr. out of order; 'a priv. + ordered, arranged, to put in order: cf. F. ataxie.]

1. Disorder; irregularity. [Obs.] Bp. Hall.

2. (Med.) (a) Irregularity in disease, or in the functions. (b) The state of disorder that characterizes nervous fevers and the nervous condition.

Locomotor ataxia. See Locomotor.

Ataxic
(A*tax"ic) a. [Cf. F. ataxique. See Ataxia.] (Med.) Characterized by ataxy, that is, (a) by great irregularity of functions or symptoms, or (b) by a want of coordinating power in movements.

Ataxic fever, malignant typhus fever. Pinel.

Atazir
(At`a*zir") n. [OF., fr. Ar. al- tasir influence.] (Astron.) The influence of a star upon other stars or upon men. [Obs.] Chaucer.

Ate
(Ate) the preterit of Eat.

Ate
(A"te) n. (Greek. Myth.) The goddess of mischievous folly; also, in later poets, the goddess of vengeance.

- ate
(-ate) [From the L. suffix -atus, the past participle ending of verbs of the 1st conj.]

1. As an ending of participles or participial adjectives it is equivalent to - ed; as, situate or situated; animate or animated.