a.a

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antiaircraft artillery.

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Associate of Arts.

author's alteration.

00:10

A.a is always a great word to know.

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an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.

a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.

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Dictionary.com Unabridged

author's alteration.

Also, aa.

noun

an organization of alcoholics whose purpose is to stay sober and help others recover from the disease of alcoholism. Abbreviation: AA, A.A.

noun

a degree granted especially by junior colleges after completion of two years of study. Abbreviation: A.A.

Also called associate's degree.

noun

a correction or change made in typeset copy that is not a correction of an error introduced by the compositor. Abbreviation: AA, A.A., a.a., aa

Compare printer's error.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To a.a

Collins

World English Dictionary

Alcoholics Anonymous

—n
	an association of alcoholics who try, esp by mutual assistance, to overcome alcoholism

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

A.A.

abbreviation of Alcoholics Anonymous, attested by 1941, Amer.Eng. The group name was the title of a book published in 1938 by the founder, Bill W.

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