WordReference Random House Unabridged Dictionary of American English © 2017
ho•mol•o•gate  (hə molə gāt′, hō-),USA pronunciation v.t.,  -gat•ed, -gat•ing. 
  1. to approve;
    confirm or ratify.
  2. Automotiveto register (a specific make of automobile in general production) so as to make it eligible for international racing competition.
ho•mol′o•gation, n. 
  • Greek homologeîn to agree to, allow); see -ate1
  • Medieval Latin homologātus (past participle of homologāre
  • 1635–45

Collins Concise English Dictionary © HarperCollins Publishers::

homologate /hɒˈmɒləˌɡeɪt/ vb (transitive)
  1. chiefly to approve or ratify (a deed or contract, esp one that is defective)
  2. to confirm (a proceeding, etc)
  3. to recognize (a particular type of car or car component) as a production model or component rather than a prototype, as in making it eligible for a motor race
Etymology: 17th Century: from Medieval Latin homologāre to agree, from Greek homologein to approve, from homologos agreeing, from homo- + legein to speak

hoˌmoloˈgation n


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