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Aa Very Common

Aa has 14 different meanings across 2 categories:

Noun · Proper Noun

Definitions
Noun
1

a dry form of lava resembling clinkers

aa
2

an international organization that provides a support group for persons trying to overcome alcoholism

3

an associate degree in arts

4

A form of lava flow associated with Hawaiian-type volcanoes, consisting of basaltic rock, usually dark-colored with a jagged and loose, clinkery surface. Compare pahoehoe.

5

Initialism of acetic acid.

6

Abbreviation of adjectives.

7

A member of Alcoholics Anonymous.

Verb
1

To antialias.

Adjective
1

Initialism of arctic-alpine.

2

Abbreviation of ana (“of each, equal parts”).

3

Initialism of anti-aircraft; also a/a, A-A, A/A.

Proper Noun
1

Initialism of Alcoholics Anonymous; also A.A.: a self-supporting organization of alcoholic people.

2

Several waterways in Europe.

3

A river in northern France, flowing 93 km from near Bourthes, Pas-de-Calais department into the North Sea near Gravelines, Nord department.

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