English

Definition of protuberance noun from the Oxford Advanced Learner's Dictionary

 

protuberance

 noun
noun
BrE BrE//prəˈtjuːbərəns//
 
; NAmE NAmE//proʊˈtuːbərəns//
 
(formal)
 
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a round part that sticks out from a surface synonym bulge The diseased trees are marked by protuberances on their trunks.
See the Oxford Advanced American Dictionary entry: protuberance