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Verb: dilate  'dI,leyt or dI'leyt [N. Amer], dI'leyt [Brit]
  1. Become wider
    "His pupils were dilated";
    - distend
     
  2. Add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
    - elaborate, lucubrate [archaic], expatiate, exposit, enlarge, flesh out, expand, expound

Derived forms: dilating, dilates, dilated

Type of: clarify, clear up, elucidate, widen

Encyclopedia: Dilate