AB

AB

1. Abbreviation of Alberta, a province of Canada.

AB (countable and uncountable, plural ABs)

1. Able seaman; able-bodied seaman.
2. Afterburner.
3. Aid to the blind.
4. Airbase.
5. Airborne.
6. Antiballistic.
7. (medicine) Antibody.
8. Artium baccalaureus.
9. (baseball) At bat.
10. Artificial breeding.
11. A blood type of the ABO system that has both blood antigens and may receive all blood types, and donate to AB.
12. (countable) A person with this blood type.

• AB language
• fast yellow AB

• “AB” in The American Heritage Dictionary of the English Language, 4th edition, Boston, Mass.: Houghton Mifflin, 2000, →ISBN.
• “AB” in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.

• -ba-, B.A., BA, ba, ba'

AB m

1. Abbreviation of Anrufbeantworter.
2. (apartment listing) Abbreviation of Altbau.

• Ab (Finland Swedish, only in the sense "aktiebolag" below)

AB

1. the blood type AB
2. Abbreviation of aktiebolag. (corporation; stock company; public limited company)

AB

1. the blood type AB

AB

1. (politics) Initialism of Avrupa Birliği (European Union)