Main definitions of ab in English

: Ab1AB2Ab3AB4

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.

Main definitions of ab in English

: Ab1AB2Ab3AB4

AB2

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.

Main definitions of ab in English

: Ab1AB2Ab3AB4

Ab3

Biology
  • Antibody.

Main definitions of ab in English

: Ab1AB2Ab3AB4

AB4

  • 1Able seaman; able-bodied seaman.

  • 2Alberta (in official postal use)

  • 3US Bachelor of Arts.

  • 4Airman basic.

  • 5Baseball
    At bat.