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Adverb: anno Domini  'a-now'dó-mu,nI
  1. In the Christian era; used before dates after the supposed year Christ was born
    "in anno Domini 200";
    - AD, A.D., year of our Lord
Noun: Anno Domini
  1. The time period beginning with the supposed year of Christ's birth
    - Christian era, Common era

Type of: epoch, era

Encyclopedia: Anno Domini