Main definitions of ab in English

: Ab1Ab2AB3

Ab1

(also Av)

noun

  • (in the Jewish calendar) the eleventh month of the civil year and the fifth month of the religious year, usually coinciding with parts of July and August.

Origin

From Hebrew 'āḇ.

Pronunciation

Ab

/äv/

Main definitions of ab in English

: Ab1Ab2AB3

Ab2

Biology
  • Antibody.

Pronunciation

Ab

/äb/

Main definitions of ab in English

: Ab1Ab2AB3

AB3

noun

  • A human blood type (in the ABO system) containing both the A and B agglutinogens. In blood transfusion, a person with blood of this group is a potential universal recipient.

  • 1Able seaman; able-bodied seaman.

  • 2Alberta (in official postal use)

  • 3US Bachelor of Arts.

  • 4Airman basic.

  • 5Baseball
    At bat.