Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One of the four major blood groups in the ABO system. Individuals with this blood group have both A and B antigens on the surface of their red blood cells, and no antibodies for A and B in their blood serum.
  • abbr. airman basic
  • abbr. Alberta
  • abbr. Latin Artium Baccalaureus (Bachelor of Arts)

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • abbr. Alberta, a province of Canada.
  • Able seaman; able-bodied seaman
  • afterburner.
  • aid to blind
  • airbase
  • airborne
  • airman basic
  • antiballistic.
  • antibody
  • artium baccalaureus
  • at bat
  • n. A blood type of the ABO system that has a both blood antigens and may receive all blood types, and donate to AB.

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