What does AA stand for?

The list of AA abbreviation meanings.

Stands For|1.7kAbbreviated As|0Related|0

1,753 entry under topic. ×

12
Associate Administrator(Management, Science)
7
Atomic Absorption(Science)
5
Assistant Administrator(Science)
4
Aluminum Association(Science)
3
Accountable Area(Science)
3
Activation Analysis(Science)
3
Adverse Action(Science)
3
Advices of Allowance(Science)
3
Attainment Area(Science)
2
Assistance Administration(Science)
2
Assisted Ascent(Scuba diving, Diving, Underwater)
1
Al-Abhath(Scientific journal, Scientific periodical, Journal)
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APASmart Define. (2018). aa. Retrieved September 22, 2026, from http://smartdefine.org/aa/abbreviations/f/science
ChicagoSmart Define. 2018. "aa" http://smartdefine.org/aa/abbreviations/f/science (accessed September 22, 2026).
HarvardSmart Define 2018, aa, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/aa/abbreviations/f/science>.
MLASmart Define. "aa" 23 January 2018. Web. 22 September 2026. <http://smartdefine.org/aa/abbreviations/f/science>