For AA we have terms and definitions in 16 topics. The topics are Addiction, Beer Acronymns, Calorie Restriction, Derivatives Acronyms, EU Aerospace Acronyms, Earth Science, Environmental Acronyms, Financial, Financial Acronyms, Flight Regulations Acronyms, Logistics, Naval Abbreviations, Pest Acronyms, Speleological, Volcano and World War II Acronyms.

AA (Addiction)

Alcoholics Anonymous. A voluntary, anonymous self-help organization of individuals who have recognized their chemical dependence and are committed to living a life of abstinence. Abstinence is achieved by a 12-Step Program and members of AA support each other by sharing their own struggles, experiences and hopes.

AA (Beer Acronymns)

alpha acid (expressed as percentage, see also IBU and AAU))

AA (Calorie Restriction)

Arachidonic Acid

AA (Derivatives Acronyms)

Against actuals

AA (EU Aerospace Acronyms)

American Airlines

AA (Earth Science)

Hawaiian term used to describe a lava flow whose surface is broken into rough angular fragments. Aa flows commonly develop from pahoehoe flows as they cool and lose gas.

AA (Environmental Acronyms)

Accountable Area; Adverse Action; Advices of Allowance; Assistant Administrator; Associate Administrator; Atomic Absorption

AA (Financial)

See Against Actuals. See Against Actuals.

AA (Financial Acronyms)

against actuals

AA (Flight Regulations Acronyms)

air to air

AA (Logistics)

Always Afloat (In some ports the ship aground when approaching, or at berth.)

AA (Naval Abbreviations)

Auxiliary Ships

AA (Pest Acronyms)

Administrative Advisor; an experiment station director who has been assigned to work with a multistate research project

AA (Speleological)

A type of lava surface in which the surface was too stiff to flow well, and so broke up into fragments. It is characterised by broken material which can vary from simple lumps to very sharp prickly fragments. It grades to pahoehoe.
Lava Cave term.

AA (Volcano)

Aa (pronounced "ah-ah" - a Hawaiian term), is lava that has a rough, jagged, spiny, and generally clinkery surface. In thick aa flows, the rubbly surface of loose clinkers and blocks hides a massive, relatively dense interior. (Tilling, Heliker, and Wright, 1987)

AA (World War II Acronyms)

Antiaircraft

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