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aa

   Also found in: Dictionary/thesaurus, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.06 sec.
AA achievement age; Alcoholics Anonymous; amino acid.
AA
abbr.
1. Alcoholics Anonymous
2. amino acid
3. aminoacyl

AA,
1 abbreviation for achievement age.
2 abbreviation for Alcoholics Anonymous.
3 abbreviation for amplitude of accommodation.
4 abbreviation for anesthesiologist assistant.
5 abbreviation for amino acid.
6 abbreviation for anterior apical.
7 abbreviation for aortic arch.
8 abbreviation for arm-ankle (pulse rate).

āa, a̅a̅, A̅A̅,
(in prescriptions) abbreviation for ana, indicating an equal amount of each ingredient to be compounded.

aa,
adv an abbreviation for the Greek term ana, used in prescription writing, meaning “of each.”

AA
1 Acute appendicitis 2 Alcoholics Anonymous, see there 3 Amino acid, see there, also written 'aa' 4. Amyloid-associated 5. Aplastic anemia 6. Arachidonic acid 7. Ascending aorta 8. Ascorbic acid 9. Atomic absorption 10. Autoanalyzer

aa
 of each


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