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View synonyms for AA

AA

1

abbreviation for



A.A.

2
or AA

[ ey-ey ]

abbreviation for

AA

3
Symbol.
  1. a proportional shoe width size, narrower than A and wider than AAA.
  2. the smallest proportional brassiere cup size.
  3. a quality rating for a corporate or municipal bond, lower than AAA and higher than A.
  4. Electricity. a battery size for 1.5-volt dry cells: diameter, 0.6 inch (1.4 centimeters); length, 2 inches (5 centimeters).
  5. British. a designation for motion pictures certified as unsuitable for children under 14 unless accompanied by an adult. Compare A 3( def 10 ), U 5( def 6 ), X 3( def 9 ).

A.A.

4

abbreviation for

  1. antiaircraft. Also AA
  2. Associate in Accounting.

aa

5
or a·'a, 'a·'a

[ ah-ah ]

noun

  1. basaltic lava having a rough surface.

a̅a̅

6
or āa
Symbol.
  1. (in prescriptions) ana 2.

a.a.

7
or aa

abbreviation for

  1. author's alteration. Also A.A., AA

aa

1

abbreviation for

  1. ana 1


AA

2

abbreviation for

  1. Alcoholics Anonymous
  2. anti-aircraft
  3. Architectural Association
  4. (in Britain) Automobile Association
  5. (in Britain) Advertising Association

symbol for

  1. (in Britain, formerly) a film that may not be shown publicly to a child under fourteen

aa

3

/ ˈɑːɑː /

noun

  1. a volcanic rock consisting of angular blocks of lava with a very rough surface

aa

/ ää /

  1. A type of lava having a rough, jagged surface. It is relatively slow moving in its molten state, advancing in the form of massive blocks with fissured and angular surfaces that ride on a viscous interior. The blocks range in size between the size of a football and the size of a house.
  2. See Note at pahoehoe


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Word History and Origins

Origin of AA1

First recorded in 1855–60; from Hawaiian ʿaʿā

Origin of AA2

From the Greek word aná, with superscript bar representing the nasal consonant

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Word History and Origins

Origin of AA1

Hawaiian

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Example Sentences

Unlike Brada Mendez, Earle, who had a violent past, was not attending A.A. voluntarily.

“Poor A.A. Milne,” she says, a line Thompson herself added to the script.

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tortuous

[tawr-choo-uhs ]

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