Webster's Revised Unabridged Dictionary -- Volume AB

-- At least. See Least and However.

-- At one. See At one, in the Vocabulary.

Syn. -- In, At. When reference to the interior of any place is made prominent in is used. It is used before the names of countries and cities (esp. large cities); as, we live in America, in New York, in the South. At is commonly employed before names of houses, institutions, villages, and small places; as, Milton was educated at Christ's College; money taken in at the Customhouse; I saw him at the jeweler's; we live at Beachville. At may be used before the name of a city when it is regarded as a mere point of locality. "An English king was crowned at Paris." Macaulay. "Jean Jacques Rousseau was born at Geneva, June, 28, 1712." J. Morley. In regard to time, we say at the hour, on the day, in the year; as, at 9 o'clock, on the morning of July 5th, in the year 1775.

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.

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

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

At"a·ghan (?), n. See Yataghan.

A·take" (?), v. t. To overtake. [Obs.] Chaucer.

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

At`a·mas"co lil"y (?). [Atamasco is fr. North American Indian.] (Bot.) See under Lily.

At`a·rax"i·a (?), At"a·rax`y (?), n. [NL. ataraxia, Gr. αταραξια; α priv. + ταρακτοσ disturbed, ταρασσειν to disturb.] Perfect peace of mind, or calmness.