Information about English word AA

Definitions of AA

• A member of Alcoholics Anonymous.
• An AA battery.
• Associate of Arts;
• a treaty between the European Union, its member states and a non-EU country that creates a framework for cooperation between them.
• To antialias.
• 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 .