Word: AA Part of Speech: noun Etymology: Abbreviations. 1. A member of Alcoholics Anonymous. Labels: countable, uncountable Example: 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. An AA battery (energy-storage device). Labels: countable, uncountable Example: 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. Example: 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. Initialism of affirmative action. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of air armament. Labels: abbreviation, alt-of, countable, initialism, uncountable 5. Initialism of air attaché. Labels: abbreviation, alt-of, countable, initialism, uncountable 6. Initialism of aircraft apprentice. Labels: abbreviation, alt-of, countable, initialism, uncountable 7. Initialism of aircraft artificer. Labels: abbreviation, alt-of, countable, initialism, uncountable 8. Initialism of absolute altitude. Labels: abbreviation, alt-of, countable, initialism, uncountable 9. Initialism of anti-aircraft. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: They're setting up an AA battery. That thing'll tear the Dawn apart... We'll wait for you to take the shot. 10. Initialism of avenue of approach. Labels: abbreviation, alt-of, countable, initialism, uncountable 11. Initialism of assembly area. Labels: abbreviation, alt-of, countable, initialism, uncountable 12. Initialism of airman apprentice. Labels: abbreviation, alt-of, countable, initialism, uncountable 13. Initialism of absolute alcohol. Labels: abbreviation, alt-of, countable, initialism, uncountable 14. Initialism of achievement age. Labels: abbreviation, alt-of, countable, initialism, uncountable 15. Initialism of acting appointment. Labels: abbreviation, alt-of, countable, initialism, uncountable 16. Initialism of adoption agency. Labels: abbreviation, alt-of, countable, initialism, uncountable 17. Initialism of armament artificer. Labels: abbreviation, alt-of, countable, initialism, uncountable 18. Initialism of athletic association. Labels: abbreviation, alt-of, countable, initialism, uncountable 19. Initialism of author's alteration. Labels: abbreviation, alt-of, countable, initialism, uncountable 20. Initialism of aviation annex. Labels: abbreviation, alt-of, countable, initialism, uncountable 21. Initialism of angular aperture. Labels: abbreviation, alt-of, countable, initialism, uncountable 22. Initialism of amino acid. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of aminoacyl. Labels: abbreviation, alt-of, countable, initialism, uncountable 24. Initialism of acetic acid. Labels: abbreviation, alt-of, countable, initialism, uncountable 25. Initialism of acrylic acid. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of amyloid A. Labels: abbreviation, alt-of, countable, initialism, uncountable 27. Initialism of arachidonic acid. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of ascorbic acid. Labels: abbreviation, alt-of, countable, initialism, uncountable 29. Initialism of asymmetric aminohydroxylation. Labels: abbreviation, alt-of, countable, initialism, uncountable 30. Initialism of acetaldehyde adduct. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of adrenal androgen. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of antiandrogen. Labels: abbreviation, alt-of, countable, initialism, uncountable 33. Initialism of antioxidant activity. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: Antioxidant activity (AA) is one of the main and most acclaimed properties of edible oil, and the antioxidant properties of EVOO have been extensively highlighted (Tuck and Hayball, 2002; Vissers et al., 2004). AA is usually estimated by monitoring the scavenging of a free radical by antioxidants that lead to either the inhibition of a chemical reaction or the changes of reaction rate constants in an ongoing radical reaction. 34. Initialism of atomic absorption. Labels: abbreviation, alt-of, countable, initialism, uncountable 35. Initialism of activated alumina. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of anti-antibody. Labels: abbreviation, alt-of, countable, initialism, uncountable 37. Initialism of ascending aorta. Labels: abbreviation, alt-of, countable, initialism, uncountable 38. Initialism of abdominal aorta. Labels: abbreviation, alt-of, countable, initialism, uncountable 39. Initialism of aortic arch. Labels: abbreviation, alt-of, countable, initialism, uncountable 40. Initialism of acute appendicitis. Labels: abbreviation, alt-of, countable, initialism, uncountable 41. Initialism of allergic asthma. Labels: abbreviation, alt-of, countable, initialism, uncountable 42. Initialism of alopecia areata. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of anaplastic astrocytoma. Labels: abbreviation, alt-of, countable, initialism, uncountable 44. Initialism of anastomotic aneurysm. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of aortic aneurysm. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of aplastic anemia. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of arterial aneurysm. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of arytenoid adduction. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of anesthesiologist assistant. Labels: abbreviation, alt-of, countable, initialism, uncountable 50. Initialism of anesthesia assistant. Labels: abbreviation, alt-of, countable, initialism, uncountable 51. Initialism of antialiasing. Labels: abbreviation, alt-of, countable, initialism, uncountable 52. Initialism of African-American. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of Asian-African. Labels: abbreviation, alt-of, countable, initialism, uncountable 54. Initialism of Asian American. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of administrative assistant. Labels: US, abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of associate administrator. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of assistant adjutant. Labels: abbreviation, alt-of, countable, initialism, uncountable 58. Initialism of academic adviser. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of Associate in Arts or Associate of Arts. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: “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. Example: 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. Initialism of appropriate authority. Labels: abbreviation, alt-of, countable, initialism, uncountable 61. Initialism of appropriate adult. Labels: British, English, abbreviation, alt-of, countable, initialism, uncountable Example: 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). Example: The initiative will draw on some 200 existing volunteers under the Appropriate Adult (AA) scheme, run by the Movement for the Intellectually Disabled of Singapore (Minds), from Jan 30. […] "These AAs are trained by Minds, and we believe they will enable our investigation officers to better communicate with drug offenders with intellectual disabilities, autism spectrum disorder or mental health issues," he said. 62. Initialism of account aggregator. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of appointed actuary. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Initialism of approximate absolute. Labels: abbreviation, alt-of, countable, initialism, uncountable 65. Initialism of arithmetic average. Labels: abbreviation, alt-of, countable, initialism, uncountable 66. Initialism 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. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: 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. Example: 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. Initialism of against actual. Labels: abbreviation, alt-of, countable, initialism, uncountable 68. Initialism of approach anxiety. Labels: abbreviation, alt-of, countable, initialism, uncountable 69. Initialism of agent assistant; an assistant of a real estate agent. Labels: Hong-Kong, abbreviation, alt-of, countable, initialism, uncountable 70. Initialism of annual allowance. Labels: UK, abbreviation, alt-of, countable, initialism, uncountable 71. Abbreviation of all-around. Labels: abbreviation, alt-of, countable, uncountable 72. Initialism of average audience. Labels: abbreviation, alt-of, countable, initialism, uncountable