Meaning of Aa | Babel Free

Definitions

1. An orthographic ⟨a⟩ with a diacritic that marks it as being the TRAP vowel, as in the word "am".
   dated
2. Initialism of Alcoholics Anonymous: a self-supporting organization of alcoholic people.
   abbreviation, alt-of, initialism
3. Prescription notation: The stated amount of each of the substances is to be used in the compounding of the prescription
4. A member of Alcoholics Anonymous.
   countable, uncountable
5. Several waterways in Europe.
6. A river in northern France, flowing 93 km from near Bourthes, Pas-de-Calais department into the North Sea near Gravelines, Nord department.
7. A form of lava flow associated with Hawaiian-type volcanoes, consisting of basaltic rock, usually dark-colored with a jagged and loose, clinkery surface. Compare pahoehoe.
   uncountable
8. Abbreviation of adjectives.
   abbreviation, alt-of, plural, plural-only
9. Initialism of Academy Awards: a recognition of excellence in cinematic achievements, given annually by the Academy of Motion Picture Arts and Sciences.
   abbreviation, alt-of, initialism
10. An AA battery (energy-storage device).
    countable, uncountable
11. A small river in the Netherlands, flowing 72 km from near Nederweert, Limburg into the Dieze at 's-Hertogenbosch, North Brabant.
12. Initialism of acting age.
    abbreviation, alt-of, initialism
13. Abbreviation of arteries.
    abbreviation, alt-of, plural, plural-only
14. Initialism of Addicts Anonymous.
    abbreviation, alt-of, initialism
15. Initialism of affirmative action.
    abbreviation, alt-of, countable, initialism, uncountable
16. A tributary of the Möhne river in North Rhine-Westphalia, Germany, part of the Rhine basin.
17. Initialism of alveolar-arterial.
    abbreviation, alt-of, initialism
18. Initialism of Al Ain.
    abbreviation, alt-of, initialism
19. Initialism of air armament.
    abbreviation, alt-of, countable, initialism, uncountable
20. A tributary of the Nether river in North Rhine-Westphalia, Germany, part of the Weser basin.
21. Initialism of aminoacetone.
    abbreviation, alt-of, initialism
22. Initialism of American Airlines: a major American airline headquartered in Fort Worth, Texas.
    abbreviation, alt-of, initialism
23. Initialism of air attaché.
    abbreviation, alt-of, countable, initialism, uncountable
24. A tributary of the Werre river in North Rhine-Westphalia, Germany, part of the Weser basin.
25. Initialism of Aerolíneas Argentinas.
    abbreviation, alt-of, initialism
26. Initialism of aircraft apprentice.
    abbreviation, alt-of, countable, initialism, uncountable
27. A village in Ida-Viru County, northern Estonia, on the Gulf of Finland.
28. Initialism of Ansett Australia or Ansett Airways.
    abbreviation, alt-of, initialism
29. Initialism of aircraft artificer.
    abbreviation, alt-of, countable, initialism, uncountable
30. A surname from Norwegian.
31. Initialism of Air Almanac, a publication.
    abbreviation, alt-of, initialism
32. Initialism of absolute altitude.
    abbreviation, alt-of, countable, initialism, uncountable
33. Initialism of armature accelerator.
    abbreviation, alt-of, initialism
34. Initialism of American Anthropologist: the flagship journal of the American Anthropological Association, founded in 1888.
    abbreviation, alt-of, initialism
35. Initialism of anti-aircraft.
    abbreviation, alt-of, countable, initialism, uncountable
36. Initialism of Acta Astronautica: a scientific journal founded in 1955, covering fields related to the peaceful scientific exploration of space.
    abbreviation, alt-of, initialism
37. Initialism of avenue of approach.
    abbreviation, alt-of, countable, initialism, uncountable
38. Initialism of Aluminum America, a corporation.
    abbreviation, alt-of, initialism
39. Initialism of assembly area.
    abbreviation, alt-of, countable, initialism, uncountable
40. Initialism of The Aluminum Association: a trade association for the aluminum production, fabrication and recycling industries.
    abbreviation, alt-of, initialism
41. Initialism of airman apprentice.
    abbreviation, alt-of, countable, initialism, uncountable
42. Double-A: the second-highest level of play in Minor League Baseball after Triple-A (AAA).
    US
43. Initialism of absolute alcohol.
    abbreviation, alt-of, countable, initialism, uncountable
44. Initialism of American Association: an American minor league baseball league from 1902 to 1962 and 1969 to 1997.
    US, abbreviation, alt-of, historical, initialism
45. Initialism of achievement age.
    abbreviation, alt-of, countable, initialism, uncountable
46. Initialism of The Automobile Association: a British motoring association founded in 1905.
    UK, abbreviation, alt-of, initialism
47. Initialism of acting appointment.
    abbreviation, alt-of, countable, initialism, uncountable
48. Initialism of Alzheimer's Association: an American volunteer health organization focusing on care, support and research for Alzheimer's disease.
    abbreviation, alt-of, initialism
49. Initialism of adoption agency.
    abbreviation, alt-of, countable, initialism, uncountable
50. Initialism of Amalgamated Association of Iron and Steel Workers.
    US, abbreviation, alt-of, historical, initialism
51. Initialism of armament artificer.
    abbreviation, alt-of, countable, initialism, uncountable
52. Initialism of Ann Arbor Railroad.
    US, abbreviation, alt-of, initialism
53. Initialism of athletic association.
    abbreviation, alt-of, countable, initialism, uncountable
54. Initialism of Arlington Annex.
    abbreviation, alt-of, initialism
55. Initialism of author's alteration.
    abbreviation, alt-of, countable, initialism, uncountable
56. USPS military code of Armed Forces – Americas.
    US
57. Initialism of aviation annex.
    abbreviation, alt-of, countable, initialism, uncountable
58. Initialism of Army Act.
    abbreviation, alt-of, initialism
59. Initialism of angular aperture.
    abbreviation, alt-of, countable, initialism, uncountable
60. Initialism of aviatsionnaya Armiya.
    Russia, abbreviation, alt-of, dated, initialism
61. Initialism of amino acid.
    abbreviation, alt-of, countable, initialism, uncountable
62. Initialism of Antiproton Accumulator: an infrastructure connected to the Proton–Antiproton Collider at CERN.
    abbreviation, alt-of, initialism
63. Initialism of aminoacyl.
    abbreviation, alt-of, countable, initialism, uncountable
64. Initialism of acetic acid.
    abbreviation, alt-of, countable, initialism, uncountable
65. Initialism of Anna's Archive.
    abbreviation, alt-of, initialism
66. Initialism of acrylic acid.
    abbreviation, alt-of, countable, initialism, uncountable
67. Abbreviation of Alcoa.
    abbreviation, alt-of
68. Initialism of amyloid A.
    abbreviation, alt-of, countable, initialism, uncountable
69. Initialism of arachidonic acid.
    abbreviation, alt-of, countable, initialism, uncountable
70. Initialism of ascorbic acid.
    abbreviation, alt-of, countable, initialism, uncountable
71. Initialism of asymmetric aminohydroxylation.
    abbreviation, alt-of, countable, initialism, uncountable
72. Initialism of acetaldehyde adduct.
    abbreviation, alt-of, countable, initialism, uncountable
73. Initialism of adrenal androgen.
    abbreviation, alt-of, countable, initialism, uncountable
74. Initialism of antiandrogen.
    abbreviation, alt-of, countable, initialism, uncountable
75. Initialism of antioxidant activity.
    abbreviation, alt-of, countable, initialism, uncountable
76. Initialism of atomic absorption.
    abbreviation, alt-of, countable, initialism, uncountable
77. Initialism of activated alumina.
    abbreviation, alt-of, countable, initialism, uncountable
78. Initialism of anti-antibody.
    abbreviation, alt-of, countable, initialism, uncountable
79. Initialism of ascending aorta.
    abbreviation, alt-of, countable, initialism, uncountable
80. Initialism of abdominal aorta.
    abbreviation, alt-of, countable, initialism, uncountable
81. Initialism of aortic arch.
    abbreviation, alt-of, countable, initialism, uncountable
82. Initialism of acute appendicitis.
    abbreviation, alt-of, countable, initialism, uncountable
83. Initialism of allergic asthma.
    abbreviation, alt-of, countable, initialism, uncountable
84. Initialism of alopecia areata.
    abbreviation, alt-of, countable, initialism, uncountable
85. Initialism of anaplastic astrocytoma.
    abbreviation, alt-of, countable, initialism, uncountable
86. Initialism of anastomotic aneurysm.
    abbreviation, alt-of, countable, initialism, uncountable
87. Initialism of aortic aneurysm.
    abbreviation, alt-of, countable, initialism, uncountable
88. Initialism of aplastic anemia.
    abbreviation, alt-of, countable, initialism, uncountable
89. Initialism of arterial aneurysm.
    abbreviation, alt-of, countable, initialism, uncountable
90. Initialism of arytenoid adduction.
    abbreviation, alt-of, countable, initialism, uncountable
91. Initialism of anesthesiologist assistant.
    abbreviation, alt-of, countable, initialism, uncountable
92. Initialism of anesthesia assistant.
    abbreviation, alt-of, countable, initialism, uncountable
93. Initialism of antialiasing.
    abbreviation, alt-of, countable, initialism, uncountable
94. Initialism of African-American.
    abbreviation, alt-of, countable, initialism, uncountable
95. Initialism of Asian-African.
    abbreviation, alt-of, countable, initialism, uncountable
96. Initialism of Asian American.
    abbreviation, alt-of, countable, initialism, uncountable
97. Initialism of administrative assistant.
    US, abbreviation, alt-of, countable, initialism, uncountable
98. Initialism of associate administrator.
    abbreviation, alt-of, countable, initialism, uncountable
99. Initialism of assistant adjutant.
    abbreviation, alt-of, countable, initialism, uncountable
100. Initialism of academic adviser.
     abbreviation, alt-of, countable, initialism, uncountable
101. Initialism of Associate in Arts or Associate of Arts.
     abbreviation, alt-of, countable, initialism, uncountable
102. Initialism of appropriate authority.
     abbreviation, alt-of, countable, initialism, uncountable
103. Initialism of appropriate adult.
     British, English, abbreviation, alt-of, countable, initialism, uncountable
104. Initialism of account aggregator.
     abbreviation, alt-of, countable, initialism, uncountable
105. Initialism of appointed actuary.
     abbreviation, alt-of, countable, initialism, uncountable
106. Initialism of approximate absolute.
     abbreviation, alt-of, countable, initialism, uncountable
107. Initialism of arithmetic average.
     abbreviation, alt-of, countable, initialism, uncountable
108. 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.
     abbreviation, alt-of, countable, initialism, uncountable
109. Initialism of against actual.
     abbreviation, alt-of, countable, initialism, uncountable
110. Initialism of approach anxiety.
     abbreviation, alt-of, countable, initialism, uncountable
111. Initialism of agent assistant; an assistant of a real estate agent.
     Hong-Kong, abbreviation, alt-of, countable, initialism, uncountable
112. Initialism of annual allowance.
     UK, abbreviation, alt-of, countable, initialism, uncountable
113. Abbreviation of all-around.
     abbreviation, alt-of, countable, uncountable
114. Initialism of average audience.
     abbreviation, alt-of, countable, initialism, uncountable

Equivalents

Examples

“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.”

“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.”

“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.”

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

“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.”

“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).”

“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.”

“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.”

“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.”

“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.”

“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.”

“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.”

“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.”

“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.”

“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.”

“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).”

“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)”

“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).”

“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.”

“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.”

“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.”

“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.”

““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.”

“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).”

“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.”

“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.”

“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.”

“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.”

“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.”

“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.”

“Alas, I fear, Netflix will soon break my heart. And it's an American icon that is warning me: American Airlines (AA). ¶ You see, middlemen are dying. Sabre, the former AA subsidiary that is now an independent global distribution system (GDS) supplying travel agencies and online travel agencies with ticket and pricing information, recently announced it was raising the rates it charges on AA tickets.”

“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.”

“In the American steel industry, only two labor organizations were of any great significance in the late 19th and early 20th centuries. These were the Amalgamated Association of Iron, Steel and Tin Workers (The A.A.), and the Knights of Labor. The A.A. was formed in 1876 when the United Sons of Vulcan, composed of iron puddlers and boilers, joined forces with several smaller unions of rolling mill hands and other skilled iron workers.”

“• APO/FPO AE ZIPs 094-098 — Space Available Mail, Nov. 26; Parcel Airlift Mail, Dec. 3; Priority Mail, Dec. 10; First Class Mail Letters and Cards, Dec.10 and Express Mail Military Service, Dec. 18. • APO/FPO AA ZIP 340 — Space Available Mail, Nov. 26; Parcel Airlift Mail, Dec. 3; Priority Mail, Dec. 10; First Class Mail Letters and Cards, Dec. 10 and Express Mail Military Service, Dec. 18. • APO/FPO AP ZIPs 962-966 — Space Available Mail, Nov. 26; Parcel Airlift Mail, Dec. 3; Priority Mail, Dec. 10; First Class Mail Letters and Cards, Dec. 10 and Express Mail Military Service, Dec. 18.”

“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.”

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

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

“We...saw ‘pahoihoi’ or solid lava forming, and also ‘aa’ or clinkers.”

“Cooling and solidification frequently takes a different course [...] in lava flows, producing the clinker-like ‘aa’ lava.”

“Both pahoehoe and aa lava flows are common on the upper slopes of Mauna Loa with a preponderance of aa flows found at the lower elevations.”

CEFR level