aa(redirected from AA Ratings)
Also found in: Thesaurus, Medical, Financial, Encyclopedia.
1. Bible Acts of the Apostles
2. Alcoholics Anonymous
4. Associate in Arts
a·aor a'a (ä′ä)
Lava having a rough surface.
[Hawaiian 'a'ā, to burn, aa.]
(Geological Science) a volcanic rock consisting of angular blocks of lava with a very rough surface
1. (Brewing) Alcoholics Anonymous
2. (Military) anti-aircraft
3. (Architecture) Architectural Association
4. (Automotive Engineering) (in Britain) Automobile Association
5. (Marketing) (in Britain) Advertising Association
(Film) (in Britain, formerly) a film that may not be shown publicly to a child under fourteen
or a'a(ˈɑ ɑ)
basaltic lava having a rough surface.
[1855–60; < Hawaiian ‘a‘ā]
[< Greek aná, with superscript bar representing the nasal consonant]
1. administrative assistant.
2. Alcoholics Anonymous.
4. Also, aa author's alteration.
Associate of Arts.
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. See Note at pahoehoe.
Switch to new thesaurus
|Noun||1.||aa - a dry form of lava resembling clinkers|
lava - rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface
|2.||AA - an international organization that provides a support group for persons trying to overcome alcoholism|
|3.||AA - an associate degree in arts|
AA[ˌeɪˈeɪ] n abbr
(British) (=Automobile Association) → ACF m
(US) (=Associate in Arts, Associate of Arts) diplôme universitaire
(=Alcoholics Anonymous) → AA
(=anti-aircraft) → AA