protuberant /proʊˈtuːbərənt/ Brit /prəʊˈtjuːbərənt/ adjective /proʊˈtuːbərənt/ Brit /prəʊˈtjuːbərənt/
adjective
Learner's definition of PROTUBERANT
[more protuberant; most protuberant]
: sticking out from a surface usually with a curved or rounded shape隆起的；突出的