AA

¹

abbreviation

1. administrative assistant.

A.A.

²

Or AA

[ey-ey]

abbreviation

1. Alcoholics Anonymous.

AA

³

Symbol.

1. a proportional shoe width size, narrower than A and wider than AAA.

2. the smallest proportional brassiere cup size.

3. a quality rating for a corporate or municipal bond, lower than AAA and higher than A.

4. Electricity.,  a battery size for 1.5-volt dry cells: diameter, 0.6 inch (1.4 centimeters); length, 2 inches (5 centimeters).

5. British.,  a designation for motion pictures certified as unsuitable for children under 14 unless accompanied by an adult.

A.A.

⁴

abbreviation

1. antiaircraft. Also AA

2. Associate in Accounting.

3. Associate of Arts.

aa

⁵

Or a·'a,

[ah-ah]

noun

1. basaltic lava having a rough surface.

a̅a̅

⁶

Or āa

Symbol.

1. (in prescriptions) ana.

a.a.

⁷

Or aa

abbreviation

1. author's alteration. Also A.A., AA

aa

¹

/ ˈɑːɑː /

noun

1. a volcanic rock consisting of angular blocks of lava with a very rough surface

aa

²

abbreviation

1. ana ¹

AA

³

abbreviation

1. Alcoholics Anonymous

2. anti-aircraft

3. Architectural Association

4. (in Britain) Automobile Association

5. (in Britain) Advertising Association

symbol

1. (in Britain, formerly) a film that may not be shown publicly to a child under fourteen

aa

1. A type of lava having a rough, jagged surface. It is relatively slow moving in its molten state, advancing in the form of massive blocks with fissured and angular surfaces that ride on a viscous interior. The blocks range in size between the size of a football and the size of a house.

2. See Note at pahoehoe

Word History and Origins

Origin of aa¹

First recorded in 1855–60; from Hawaiian ʿaʿā

Origin of aa²

From the Greek word aná, with superscript bar representing the nasal consonant

Word History and Origins

Origin of aa¹

Hawaiian

Example Sentences

However, that requires extra funding, aa well as a way of providing more personalised job searches and better mental health support.

From BBC

When Burns arrived at USC in 2022, during Marshall’s sophomore season, she identified the developing post player as aa potential mad dog, a defined impact player who could lead the point of attack on defense.

From Los Angeles Times

Having your criminal record will make that process easier as you can refer to aa copy of your criminal record for dates and specific details regarding previous infractions.

From Encyclopedia.com

Understanding how pahoehoe morphs into aa is more than just scientific curiosity because the two lava types move at different speeds and pose distinct hazards.

From Science Magazine

He told the BBC it was a "pleasure as her Majesty would stand and watch you play", recalling aa visit to Windsor for Royal Ascot week, where he accidentally called the Queen "Your Royal Highness".

From BBC