AA

noun

1. 1

   A member of Alcoholics Anonymous.

   In a letter to Cohen, written between 1956 and 1961, he reported hearing gossip about his LSD use in AA circles. He reminded Cohen about "the desirability" of omitting his name "when discussing LSD with AAs". Cohen reassured Wilson that his LSD trials did not include other active AA members.

2. 2

   An AA battery (energy-storage device).

   Whether your camera takes AAs or a unique, proprietary battery, you should always have a spare. […] You will not be able to walk into a local supermarket and buy a new one as you can with AAs.

   It’s also tough to keep on top of charging all the batteries needed. The remote takes standard AAs, but the drone has a huge lithium battery that charges with a special wall unit.

3. 3

   Variant of affirmative actionInitialism of affirmative action.

   Some of the rules guiding these nominations are affirmative action (AA)¹ policies intended to increase the influence of and to encourage nomination of women and minorities. […] A review of the extant literature on AA and its effect on decision-makers produces competing hypotheses about the potential impact on female candidates seeking party nomination.

4. 4

   Variant of air armamentInitialism of air armament.

5. 5

   Variant of air attachéInitialism of air attaché.

6. 6

   Variant of aircraft apprenticeInitialism of aircraft apprentice.

7. 7

   Variant of aircraft artificerInitialism of aircraft artificer.

8. 8

   Variant of absolute altitudeInitialism of absolute altitude.

9. 9

   Variant of anti-aircraftInitialism of anti-aircraft.

   They're setting up an AA battery. That thing'll tear the Dawn apart... We'll wait for you to take the shot.

10. 10

    Variant of avenue of approachInitialism of avenue of approach.

11. 11

    Variant of assembly areaInitialism of assembly area.

12. 12

    Variant of airman apprenticeInitialism of airman apprentice.

13. 13

    Variant of absolute alcoholInitialism of absolute alcohol.

14. 14

    Variant of achievement ageInitialism of achievement age.

15. 15

    Variant of acting appointmentInitialism of acting appointment.

16. 16

    Variant of adoption agencyInitialism of adoption agency.

17. 17

    Variant of armament artificerInitialism of armament artificer.

18. 18

    Variant of athletic associationInitialism of athletic association.

19. 19

    Variant of author's alterationInitialism of author's alteration.

20. 20

    Variant of aviation annexInitialism of aviation annex.

21. 21

    Variant of angular apertureInitialism of angular aperture.

22. 22

    Variant of amino acidInitialism of amino acid.

    All proteinogenic amino acids (AAs) are claimed to be levorotatory (L-configured). Nevertheless, dextrorotatory AAs (D-configured) are also found in nature (Gao et al., 2015; Ollivaux et al., 2014), for example, in the organic material of extraterrestrial comets (Cronin and Pizzarello, 1983), or, formed by slow racemization, in all dead biological material.

23. 23

    Variant of aminoacylInitialism of aminoacyl.

24. 24

    Variant of acetic acidInitialism of acetic acid.

25. 25

    Variant of acrylic acidInitialism of acrylic acid.

    For copolymers of ethylene, the other comonomer can be an alkene such as propene, butene, hexene or octene, or a compound having a polar functional group such as vinyl acetate (VA), acrylic acid (AA), ethyl acetate (EA), methyl acrylate (MA) or vinyl alcohol (VOH).

26. 26

    Variant of amyloid AInitialism of amyloid A.

27. 27

    Variant of arachidonic acidInitialism of arachidonic acid.

    Arachidonic acid (AA) is present at unusually high levels in the phospholipids of inflammatory cells. […] IgG-mediated phagocytosis results in the preferential release of AA over other fatty acids²³ via activation of cPLA₂ and iPLA₂.

28. 28

    Variant of ascorbic acidInitialism of ascorbic acid.

29. 29

    Variant of asymmetric aminohydroxylationInitialism of asymmetric aminohydroxylation.

30. 30

    Variant of acetaldehyde adductInitialism of acetaldehyde adduct.

    The two tests presently in this category are the blood tests carbohydrate deficient transferrin (CDT) and hemoglobin or whole blood acetaldehyde adducts (AA). […] Measurement of AA in the blood has also generated a great deal of recent research interest.

31. 31

    Variant of adrenal androgenInitialism of adrenal androgen.

    Although the ovaries are the main source of androgen excess in PCOS, excess adrenal androgen (AA) levels (e.g., dehydroepiandrosterone [DHEA] and adrenal-secreted androsteredione [A4]) and adrenocortical dysfunction have also been observed in many patients with PCOS (2–6). Proof of the role of AA excess in the development of PCOS is circumstantial at best.

32. 32

    Variant of antiandrogenInitialism of antiandrogen.

33. 33

    Variant of antioxidant activityInitialism of antioxidant activity.

34. 34

    Variant of atomic absorptionInitialism of atomic absorption.

35. 35

    Variant of activated aluminaInitialism of activated alumina.

    Activated alumina (AA, or γ-Al₂O₃) is an amorphous aluminium oxide prepared by dehydrating Al(OH)₃ at high temperature, […] Arsenic removal on AA is strongly pH-dependent, and is optimal between pH 5.5 and 6.0, which often requires acidification, and subsequent neutralisation to prevent corrosion.

36. 36

    Variant of anti-antibodyInitialism of anti-antibody.

37. 37

    Variant of ascending aortaInitialism of ascending aorta.

38. 38

    Variant of abdominal aortaInitialism of abdominal aorta.

39. 39

    Variant of aortic archInitialism of aortic arch.

40. 40

    Variant of acute appendicitisInitialism of acute appendicitis.

41. 41

    Variant of allergic asthmaInitialism of allergic asthma.

42. 42

    Variant of alopecia areataInitialism of alopecia areata.

    The existence of many autoimmune concurrent diseases supports that AA is an autoimmune disease. […] The incidence of type I diabetes in AA is intriguing; it is decreased in AA patients and increased in their relatives.

43. 43

    Variant of anaplastic astrocytomaInitialism of anaplastic astrocytoma.

44. 44

    Variant of anastomotic aneurysmInitialism of anastomotic aneurysm.

    An anastomotic aneurysm (AA) is an aneurysm that occurs at an anastomotic interface between a graft and an artery. […] Recently, it has been recognized that an increasing number of AAs may in fact be true aneurysms occurring at the junction of a prosthetic graft and an artery.

45. 45

    Variant of aortic aneurysmInitialism of aortic aneurysm.

    This issue of Circulation has an interesting contribution from Reed et al,¹ who advance the point of view that aortic aneurysms (AAs) are “caused” by atherosclerosis. […] The authors propose two arguments in support of a “causal” relation between atherosclerotic risk factors and the development of AAs.

46. 46

    Variant of aplastic anemiaInitialism of aplastic anemia.

    Aplastic anemia (AA) secondary to radiotherapy presents a difficult situation in the treatment of both the malignant tumor and AA itself. We aimed to evaluate the efficacy of avatrombopag (AVA), a thrombopoietin receptor agonist, in patients with AA secondary to chemoradiotherapy.

47. 47

    Variant of arterial aneurysmInitialism of arterial aneurysm.

    Arterial aneurysms (AA) are local out-pouching of a blood vessel wall. […] According to the statistics, 90% of all AA are located in the anterior segments of the circle of Willis and only 10% in the posterior segments (Dandy 1944; Zlotnik 1967).

48. 48

    Variant of arytenoid adductionInitialism of arytenoid adduction.

    If the paralysis is unilateral, arytenoid adduction (AA) procedures can be done to medialize the complex and arguably improve the results of an implant medialization.⁷⁹ An AA arytenopexy can reconfigure the ipsilateral arytenoid for improved glottic closure, if needed.^(1,80)

49. 49

    Variant of anesthesiologist assistantInitialism of anesthesiologist assistant.

50. 50

    Variant of anesthesia assistantInitialism of anesthesia assistant.

51. 51

    Variant of antialiasingInitialism of antialiasing.

52. 52

    Variant of African-AmericanInitialism of African-American.

    For example, among AAs “spell” refers to a trance state in which individuals can communicate with deceased relatives and which is associated with brief periods of personality change (American Psychiatric Association 1994).

53. 53

    Variant of Asian-AfricanInitialism of Asian-African.

54. 54

    Variant of Asian AmericanInitialism of Asian American.

    Asian Americans (AAs) constitute the fastest growing group in the United States, yet health promotion in this population is severely hampered by its invisibility in the U.S. population. […] This chapter will address each of the four factors that contribute to the lack of knowledge and health information about AAs.

55. 55

    Variant of administrative assistantInitialism of administrative assistant.

    But Wilson's loyal administrative assistant, Charlie Simpson, felt that he couldn't put up with it anymore. […] “I have to learn how to be a congressman and you need to learn how to be an AA [administrative assistant],” Wilson had told Simpson. “And this is the first thing we have to do.” […] The experience left the AA believing that perhaps the two of them shared a special destiny.

56. 56

    Variant of associate administratorInitialism of associate administrator.

    I've worked at NASA as a graduate student working as a summer intern, and as an AA. Those are two of the most valuable experiences in my life.

57. 57

    Variant of assistant adjutantInitialism of assistant adjutant.

58. 58

    Variant of academic adviserInitialism of academic adviser.

    The AA said that given my background in English studies and applied linguistics, my introductory course in phonetics would be waved. Three of the four courses the AA prescribed included computer assisted instruction, which I eventually dropped due to overload, English language teaching methodology and psychology of second language learning.

59. 59

    Variant of Associate in Arts or Associate of ArtsInitialism of Associate in Arts or Associate of Arts.

    “I’m still figuring out my plans, but going back for another year is in my plans. I would be going back and getting my AA [degree], while playing another year of softball,” Enright said.

    He returned to community college and earned an A.A. while working as an E.M.T. and plans to become a paramedic or a nurse. He attributes much of this to his faith.

60. 60

    Variant of appropriate authorityInitialism of appropriate authority.

61. 61

    Variant of appropriate adultInitialism of appropriate adult.

    An AA, who was a trained social worker, also felt that the volunteer AAs should be shown greater respect by the police (GMS14). At the same time, there was some awareness that AAs were unpaid among the private police staff, as one commented that she tried to be particularly nice to the AAs because of their volunteer status (e.g. SNS7).

62. 62

    Variant of account aggregatorInitialism of account aggregator.

    The RBI had in 2016 approved a new class of NBFCs to act as account aggregators (AA). These AAs will play the role of providing services based on the explicit consent of individual clients.

63. 63

    Variant of appointed actuaryInitialism of appointed actuary.

    Appointed Actuaries (AAs) are entrusted with the responsibility of maintaining solvency position of the Company. […] However, the existing arrangements of AAs and Mentors not complying with these guidelines may continue till June 30.

64. 64

    Variant of approximate absoluteInitialism of approximate absolute.

65. 65

    Variant of arithmetic averageInitialism of arithmetic average.

66. 66

    Variant of Association AgreementInitialism of Association Agreement: a treaty between the European Union, its member states and a non-EU country that creates a framework for cooperation between them.

    Following the AA's enactment in June 2004, some institutional reform took place with the aim of enhancing the competitiveness of Egyptian products. […] The AA reflected a long-term and a rather broadly defined consideration of economic and social development and the process of market transformation in Egypt.

    In addition, bilateral relations with the diverse countries of the South, which were “divided in their unity,” were also given a boost, as negotiations on new EU Association Agreements (AAs) got underway, as AAs were signed with all EMP countries except Syria by the early 2000’s.

67. 67

    Variant of against actualInitialism of against actual.

68. 68

    Variant of approach anxietyInitialism of approach anxiety.

69. 69

    Variant of agent assistantInitialism of agent assistant; an assistant of a real estate agent.

70. 70

    Variant of annual allowanceInitialism of annual allowance.

71. 71

    Variant of all-aroundAbbreviation of all-around.

72. 72

    Variant of average audienceInitialism of average audience.

proper noun

1. 1

   Double-A: the second-highest level of play in Minor League Baseball after Triple-A (AAA).

2. 2

   USPS military code of Armed Forces – Americas.

3. 3

   Variant of Alcoholics AnonymousInitialism of Alcoholics Anonymous: a self-supporting organization of alcoholic people.

   She said, “I'm an alcoholic, just like my mother was. It's a struggle, but I haven't had a drink in a while.” That was something she hadn't meant to say, something she had never said outside of an AA meeting. But, after it had been said, it felt like as good a way to start as any.

4. 4

   Variant of Academy AwardsInitialism of Academy Awards: a recognition of excellence in cinematic achievements, given annually by the Academy of Motion Picture Arts and Sciences.

   Like a true AA follower (as in Academy Awards, not 12 steps), I never cared for Oscar parties. Somebody always talked through the songs or Vanessa Redgrave's speech or the costume parade, in which elegant runway models were forced to dress up as the farmers in Places in the Heart.

5. 5

   Variant of Addicts AnonymousInitialism of Addicts Anonymous.

6. 6

   Variant of Al AinInitialism of Al Ain.

7. 7

   Variant of American AirlinesInitialism of American Airlines: a major American airline headquartered in Fort Worth, Texas.

8. 8

   Variant of Aerolíneas ArgentinasInitialism of Aerolíneas Argentinas.

9. 9

   Variant of Ansett Australia or Ansett AirwaysInitialism of Ansett Australia or Ansett Airways.

10. 10

    Variant of Air AlmanacInitialism of Air Almanac, a publication.

11. 11

    Variant of American AnthropologistInitialism of American Anthropologist: the flagship journal of the American Anthropological Association, founded in 1888.

12. 12

    Variant of Acta AstronauticaInitialism of Acta Astronautica: a scientific journal founded in 1955, covering fields related to the peaceful scientific exploration of space.

13. 13

    Variant of Aluminum AmericaInitialism of Aluminum America, a corporation.

14. 14

    Variant of The Aluminum AssociationInitialism of The Aluminum Association: a trade association for the aluminum production, fabrication and recycling industries.

15. 15

    Variant of American AssociationhistoricalInitialism of American Association: an American minor league baseball league from 1902 to 1962 and 1969 to 1997.

16. 16

    Variant of The Automobile AssociationInitialism of The Automobile Association: a British motoring association founded in 1905.

    As we have said before, never accept an AA increase – if you phone up and threaten to leave they will, in our experience, drop it back to the previous price. Or better still, just keep switching provider each year. LV’s cover is a good alternative.

17. 17

    Variant of Alzheimer's AssociationInitialism of Alzheimer's Association: an American volunteer health organization focusing on care, support and research for Alzheimer's disease.

18. 18

    Variant of Amalgamated Association of Iron and Steel WorkershistoricalInitialism of Amalgamated Association of Iron and Steel Workers.

19. 19

    Variant of Ann Arbor RailroadInitialism of Ann Arbor Railroad.

20. 20

    Variant of Arlington AnnexInitialism of Arlington Annex.

21. 21

    Variant of Army ActInitialism of Army Act.

22. 22

    Variant of aviatsionnaya ArmiyadatedInitialism of aviatsionnaya Armiya.

23. 23

    Variant of Antiproton AccumulatorInitialism of Antiproton Accumulator: an infrastructure connected to the Proton–Antiproton Collider at CERN.

24. 24

    Variant of A∴A∴Alternative form of A∴A∴.

    In Magic in Theory and Practice, Crowley explains his other Order, the Silver Star (Argentinum Astrum), which certainly does have such a degree. The AA is a totally secret occult organization in which any member should know only the person who initiated him or her and those whom he or she has initiated.

25. 25

    Variant of Anna's ArchiveInitialism of Anna's Archive.

    This specific paper isn't available on AA, but to whom it may intrigue I think this works: […]

26. 26

    Variant of AlcoaAbbreviation of Alcoa.

    Similarly, Alcoa (AA)CEO Klaus Kleinfeld has also dropped plans to attend, but the company will participate, said spokeswoman Monica Orbe.

adjective

1. 1

   Variant of anti-aircraftInitialism of anti-aircraft or anti-air.

2. 2

   Variant of air-to-airInitialism of air-to-air.

3. 3

   Variant of atlantoaxialInitialism of atlantoaxial.

   AA joint; AA instability

4. 4

   Variant of arterioarterialInitialism of arterioarterial.

   AA anastomosis

5. 5

   Variant of Afro-AsiaticInitialism of Afro-Asiatic.

6. 6

   Variant of AustroasiaticInitialism of Austroasiatic.

verb

1. 1

   Variant of antialiasInitialism of antialias.

   On the other hand, edge AA in EF2000 didn't make much difference because only the objects were AAed and they made up only a very small percentage of the screen area.

   Vector images can be considered to have extremely high resolution, so it is possible to AA them.

Forms

plural

AAs

past tense

AAed

past participle

AAed

present participle

AAing

third person singular

AAs