1. (acronym) .  activity support date (AF).
  2. (acronym) .  average standard deviation.
  3. (acronym) .  actual ship date.
  4. (acronym) .  atrial septal defect.
  5. (acronym) .  autistic spectrum disorder.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.