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ALL meanings of aa

a·a
A a
  • abbreviation AA Architectural Association 3
  • abbreviation AA (in Britain) Automobile Association 3
  • abbreviation AA (in Britain) Advertising Association 3
  • symbol aa (in Britain, formerly) a film that may not be shown publicly to a child under fourteen 3
  • abbreviation AA antiaircraft 3
  • noun aa Associate in (or of) Arts 3
  • noun aa a type of basaltic rock, usually dark-colored with a jagged surface, formed in large sheets from slow-moving lava 3
  • noun aa a volcanic rock consisting of angular blocks of lava with a very rough surface 3
  • abbreviation AA ana1 3
  • abbreviation AA anti-aircraft 3
  • noun aa basaltic lava having a rough surface. 1
  • noun aa Basaltic lava forming very rough jagged masses with a light frothy texture. 1
  • abbreviation AA Alcoholics Anonymous 1
  • abbreviation AA Automobile Association 1
  • noun aa (volcanology) 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. 0
  • noun aa Initialism of acetic acid. 0
  • noun aa Initialism of acting age. 0
  • noun aa (medicine) Initialism of alveolar-arterial. 0
  • noun aa Initialism of aminoacetone. 0
  • noun aa Initialism of amino acid. 0
  • noun aa Initialism of approximate absolute. 0
  • noun aa Initialism of arachidonic acid. 0
  • noun aa Initialism of armature accelerator. 0
  • noun aa Initialism of ascending aorta. 0
  • noun aa Initialism of atomic absorption. 0
  • noun aa Initialism of author's alteration. 0
  • noun aa Initialism of average audience. 0
  • noun aa Abbreviation of adjectives. 0
  • noun aa Abbreviation of arteries. 0
  • adjective aa Initialism of arctic-alpine. 0
  • adjective aa Initialism of always afloat. 0
  • adjective aa Abbreviation of ana ‎(“of each, equal parts”). 0
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