A.A.S.1

1.
Fellow of the American Academy.
Origin
< Neo-Latin Academiae Americanae Socius

A.A.S.2

1.
American Academy of Sciences.
2.
Associate in Applied Science.

aa

[ah-ah] /ˈɑ ɑ/
noun
1.
basaltic lava having a rough surface.
Also, a'a.
Compare pahoehoe.
Origin
1855–60; < Hawaiian ʿaʿā
British Dictionary definitions for aas
aa1 (ˈɑːɑː)
 
n
a volcanic rock consisting of angular blocks of lava with a very rough surface
 
[Hawaiian]

aa2
 
abbreviation for
ana1

AA
 
abbreviation for
1.  Alcoholics Anonymous
2.  anti-aircraft
3.  Architectural Association
4.  (in Britain) Automobile Association
5.  (in Britain) Advertising Association
 
symbol for
6.  (in Britain, formerly) a film that may not be shown publicly to a child under fourteen

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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aas in Medicine

AA abbr.

  1. Alcoholics Anonymous

  2. amino acid

  3. aminoacyl

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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aas in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang related to aas

AA

modifier

: an AA barrage

noun

An antiaircraft weapon, or antiaircraft fire; ack-ack, flak (WWI)


Dictionary of American Slang
Copyright © 1986 by HarperCollins Publishers
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Related Abbreviations for aas

aa

  1. Afar (language)
  2. author's alteration

AA

  1. Academy of Aphasia
  2. Acts of the Apostles
  3. administrative assistant
  4. adverse action
  5. Alcoa Inc.
  6. Alcoholics Anonymous
  7. Alzheimer's Association
  8. antiaircraft
  9. Armed Forces Americas (except Canada)
  10. Associate in Arts
  11. atomic absorption

AAS

  1. American Association of Suicidology
  2. American Astronautical Society
  3. American Astronomical Society
  4. anabolic-androgenic steroid(s)
  5. Associate in Applied Sciences
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Difficulty index for aas

Most English speakers likely know this word

Tile value for aas

3
3
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