from The Century Dictionary and Cyclopedia

  • An abbreviation of Artium Domesticarum Baccalaurea, Bachelor of Domestic Arts, a degree conferred by some institutions upon women.
  • An abbreviation of Aide-de-camp.
  • An abbreviation of Anodic Duration Contraction: used in electrotherapy.
  • n. An abbreviation of Latin Artium Domesticarum Magister, Master of the Domestic Arts.


Sorry, no etymologies found.


  • Symptoms of a. d. run from weakly insidious through spectacular to phenomenal.

    Hemingway on Hunting

  • According to Dr. Anderson the difficulty about a. d. is to diagnose it.

    Hemingway on Hunting

  • I believe the record is held by a Mr. McDonald with 232 movements in the twenty-four hours although many old a. d. men claim the McDonald record was never properly audited.

    Hemingway on Hunting

  • Leaning against a tree two days ago shooting flighting sand-grouse as they came into a water hole near camp after ten days of what Dr. Anderson says was a. d. all the time, I became convinced that though an unbeliever I had been chosen as the one to bear our Lord Buddha when he should be born again on earth.

    Hemingway on Hunting


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