AB /ˌeɪˈbiː/noun 15adjective 3forms 1phrases 2 noun15 •A blood type of the ABO system that has both blood antigens and may receive all blood types, and donate to AB. •A person with this blood type. •Abbreviation of Alberta: a province of Canada. •Initialism of antibody. •Initialism of assembly bill.AB-89 would have required that participation in sex-segregated California school programs, athletic teams, and facility use be based on a pupil’s sex, not gender identity. — 2025 •Initialism of able seaman or able-bodied seaman. •(Australia) A halal snack pack consisting of doner meat topped with chips, tomato sauce, chilli sauce, barbecue sauce, and garlic sauce. •Initialism of airbase. •Initialism of adult baby.Well, he appears to be an AB. You know, an adult baby. It's a fetish in which the baby is taken care of in every way by a mommy or a daddy. — 2002 •Initialism of afterburner. •Initialism of asymmetric bars. •Initialism of artificial breeding. •Abbreviation of alkylbenzene. •Initialism of aid to the blind. •Initialism of attentional blink. adjective3 •Initialism of at bat. •Initialism of airborne. •Initialism of antiballistic. formsABs Phrases with AB ab offTo abseil down a mountain. uno ab altoOne over all.
