American English

Definition of protuberance noun from the Oxford Advanced American Dictionary

     

    protuberance

     noun
    noun
    NAmE//prəˈtubərəns//
     
    , NAmE//proʊˈtubərəns//
     
    (formal)
     
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  1. 1a round part that sticks out from a surface synonym bulge
  2. 2 The diseased trees are marked by protuberances on their trunks.
See the Oxford Advanced Learner's Dictionary entry: protuberance