plural noun Informal.

  1. abdominal muscles.

  1. antilock braking system.

  1. Chemistry. ABS resin.


  1. Av.

  1. variant of ab-: absent; abscond.

  1. absent.
  2. absolute.
  3. abstract.

  1. American Bible Society.
  2. American Bureau of Shipping.

pl n

  1. informal abdominal muscles

abbreviation for

  1. acrylonitrile-butadiene-styrene: any of a range of tough copolymers used esp for making moulded articles


  1. a variant of Av

abbreviation for

  1. Also: a.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

colloquial shortening of abdominals, by 1992.

form of ab- before -c-, -q- or -t-.


  1. antibody
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