protuberance /proʊˈtuːbərəns/ Brit /prəʊˈtjuːbərəns/ noun plural protuberances
/proʊˈtuːbərəns/ Brit /prəʊˈtjuːbərəns/
noun
plural protuberances
Learner's definition of PROTUBERANCE
[count]
: a usually rounded part that sticks out from a surface突出物;隆起部分