Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation air force
  • abbreviation audio frequency

from The Century Dictionary.

  • noun Assimilated form of Latin ad-, also an erroneous form of other prefixes, before feminine See ad-.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The ISO 3166-1 two-letter (alpha-2) code for Afghanistan.
  • initialism Air Force
  • initialism Internet slang, vulgar As fuck
  • initialism atrial fibrillation
  • initialism autofocus

Etymologies

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