DuckCorp Dico

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1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Anti \An"ti\ [Gr. 'anti` against. See Ante.]
      A prefix meaning against, opposite or opposed to, contrary,
      or in place of; -- used in composition in many English words.
      It is often shortened to ant-; as, antacid, antarctic.
      [1913 Webster]