Nautical, .
U.S. Air Force. Airman Basic.
Alberta, Canada (approved for postal use).
antiballistic; antiballistic missile.
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.
Chemistry, .
Immunology, .
a formal element occurring in loanwords from Latin, where it meant “away from”:
abdicate; abolition.
Baseball. (times) at bat.
Nautical, .
Baseball. (times) at bat.
Also, a.b.
abdominal muscles.
Contemporary Examples

Ab 32, the law Whitman wants to suspend, is nearly as popular as free cerveza.
The GOP’s Big Green Gamble Joe Mathews December 7, 2009

Ab shooting in car: “Only guns will free us from the past.”
Terrorist Chic The Daily Beast October 7, 2008

On 27 July 2013, Ab Neubauer reported that she was sexually assaulted the previous evening.
Spies, Lies, and Rape in the Air Force: An Undercover Agent’s Story Jacob Siegel March 3, 2014

The AbT has a saying on the inside, “If you ever disrespect the Ab, we will make sure you leave in a body bag.”
The Aryan Brotherhood of Texas: ‘Brutal, Deadly, and Effective’ Seth Ferranti April 3, 2013

“Ab Welsh, who was a forward with the Saskatoon Quakers was the first one,” Howe said.
Gordie Howe Hockey’s Greatest War Horse W.C. Heinz May 30, 2014

Historical Examples

Having determined this distance, the weight on Ab was removed and the aerodrome was allowed to regain its former position.
Langley Memoir on Mechanical Flight, Parts I and II S. P. (Samuel Pierpont) Langley and Charles M. (Charles Matthews) Manly

A character mentioned in the MAbinogion, goes by the name of Gwyddneu Ab Llwydau.
Y Gododin Aneurin

Sacramento, dum praedictus versus Tantum ergo dicitur, Ab omnibus omnino persistendum erit in inclinatione usque ad cernui.
The Irish Ecclesiastical Record, Volume 1, December 1864 Various

Arthwys son of Ceneu Ab Coel was too early for the battle of Cattraeth.
Y Gododin Aneurin

We get the same temporary current in cd as we would if we should place the coils parallel and then start the current in Ab.
Letters of a Radio-Engineer to His Son John Mills

a variant of Av
Also a.b.. able-bodied seaman
(in the US) Bachelor of Arts
(esp in postal addresses) Alberta (Canada)
a human blood type of the ABO group, containing both the A antigen and the B antigen
plural noun
(informal) abdominal muscles
acrylonitrile-butadiene-styrene: any of a range of tough copolymers used esp for making moulded articles
away from; off; outside of; opposite to: abnormal, abaxial, aboral
denoting a cgs unit of measurement in the electromagnetic system: abvolt

word-forming element meaning “away, from, from off, down;” from Latin ab-, ab “off, away from,” from PIE root *apo- (see apo-). Reduced to a- before -m-, -p-, or -v-; sometimes abs- before -c- or -t-.

colloquial shortening of abdominals, by 1992.

Ab abbr.

ab- 2
Used to indicate an electromagnetic unit in the centimeter-gram-second system: abcoulomb.

ab- 1
Away from: abaxial.
able-bodied [seaman]
about (shortwave transmission)
airman basic
Latin Artium Baccalaureus (Bachelor of Arts)
at bats (baseball)
abdominal muscles
absolute temperature
American Board of Surgery
Animal Behavior Society
antilock braking system

Read Also:

  • Ab aeterno

    from the most remote antiquity.

  • Ab extra

    from the outside. Historical Examples He clothes reason with authority to determine what is inspiration, by saying that there can be no revelation “ab extra.” History of Rationalism Embracing a Survey of the Present State of Protestant Theology John F. Hurst In this letter Blackwood told me the first ab extra opinion of the book, […]

  • Ab esse


  • Ab init.

    ab init. Latin ab initio (from the beginning)

  • Ab initio

    from the beginning. Historical Examples Why should it not have been so ab initio, or at least at the beginning of the historical period for these parts? Opuscula Robert Gordon Latham It does seem doubtful whether the State can ab initio be the proprietor of a copyright. A Treatise Upon the Law of Copyright in […]

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