Aas

Fellow of the American Academy.
American Academy of Sciences.
Associate in Applied Science.
basaltic lava having a rough surface.
Contemporary Examples

The communications between members of AQIM and aas were important.
Intercepts Show Attackers on U.S. Consulate in Benghazi Bragged to Al Qaeda Eli Lake September 27, 2012

Historical Examples

This clatter excepted and a few magnificent pairs of velvet breeches, the festival was the same as that at aas.
A Tour Through The Pyrenees Hippolyte Adolphe Taine

noun
a volcanic rock consisting of angular blocks of lava with a very rough surface
abbreviation
ana1
abbreviation
Alcoholics Anonymous
anti-aircraft
Architectural Association
(in Britain) Automobile Association
(in Britain) Advertising Association
symbol
(in Britain, formerly) a film that may not be shown publicly to a child under fourteen

AA abbr.

Alcoholics Anonymous

amino acid

aminoacyl

aa
(ä’ä)
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. See Note at pahoehoe.

modifier

: an AA barrage

noun

An antiaircraft weapon, or antiaircraft fire; ack-ack, flak (WWI)
American Association of Suicidology
American Astronautical Society
American Astronomical Society
anabolic-androgenic steroid(s)
Associate in Applied Sciences
Afar (language)
author’s alteration
Academy of Aphasia
Acts of the Apostles
administrative assistant
adverse action
Alcoa Inc.
Alcoholics Anonymous
Alzheimer’s Association
antiaircraft
Armed Forces Americas (except Canada)
Associate in Arts
atomic absorption