American English

Definition of auto- combining form from the Oxford Advanced American Dictionary

     

    auto-

     combining form
    combining form
    NAmE//ˈɔt̮oʊ//
     
    , NAmE//ˈɔt̮ə//
     
    (also aut-)
     
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  1. 1(in nouns, adjectives, and adverbs)
  2. 2of or by yourself autobiography
  3. 3by itself without a person to operate it automatic
See the Oxford Advanced Learner's Dictionary entry: auto-