Ab

¹

[ ahb, ahv ]

noun

1. Av.

AB

²

abbreviation for

1. Nautical. able seaman.
2. airborne.
3. U.S. Air Force. Airman Basic.
4. Alberta, Canada (approved for postal use).
5. antiballistic; antiballistic missile.

A.B.

³

abbreviation for

1. Bachelor of Arts.

Ab

⁴

Symbol.

1. Chemistry. alabamine.
2. Immunology. antibody.

AB

⁵

Symbol, Physiology.

1. a major blood group usually enabling a person whose blood is of this type to donate blood to persons of type AB and to receive blood from persons of type O, A, B, or AB.

A.B.

⁶

abbreviation for

1. Nautical. able seaman.
2. Baseball. (times) at bat. Also a.b.

ab-

⁷

1. a formal element occurring in loanwords from Latin, where it meant “away from”:

   abdicate; abolition.

ab.

⁸

abbreviation for

1. about.
2. Baseball. (times) at bat.

ab-

¹

prefix

1. away from; off; outside of; opposite to

   abaxial

   abnormal

   aboral

AB

²

abbreviation for

1. Alsoa.b. able-bodied seaman
2. (in the US) Bachelor of Arts
3. (esp in postal addresses) Alberta (Canada)

symbol for

1. a human blood type of the ABO group, containing both the A antigen and the B antigen

ab-

³

prefix

1. denoting a cgs unit of measurement in the electromagnetic system

   abvolt

Ab

⁴

/ æb /

noun

1. a variant of Av

Word History and Origins

Origin of Ab¹

< New Latin, Medieval Latin Artium Baccalaureus

Origin of Ab²

< Latin ab (preposition and prefix) from, away, cognate with Greek apó, Sanskrit ápa, German ab, English of ¹, off

Word History and Origins

Origin of Ab¹

from Latin ab away from

Origin of Ab²

abstracted from absolute

Example Sentences

“The California Department of Justice has been and will continue to vigorously defend AB 2655 in court,” a spokesperson for Bonta said in a statement.

From Los Angeles Times

Newsom’s office noted that AB 2655, known as the Defending Democracy from Deepfake Deception Act of 2024, exempts parody and satire content.

From Los Angeles Times

X failed to block AB 587 but then won an appeal in September.

From Los Angeles Times

The new CVF model is reliable, efficient, scalable and transferable, and incorporates ab initio quantum calculations that accurately reproduce the thermodynamic properties of water under different conditions.

From Science Daily

AB 2839 aimed to label AI-generated content in political ads as “manipulated.”

From Los Angeles Times