[ proh-too-ber-uh nt, -tyoo-, pruh- ]
/ proʊˈtu bər ənt, -ˈtyu-, prə- /


bulging out beyond the surrounding surface; protruding; projecting: protuberant eyes.

Origin of protuberant

1640–50; < Late Latin prōtūberant- (stem of prōtūberāns), present participle of prōtūberāre to swell. See pro-1, tuber1, -ant

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for protuberant

British Dictionary definitions for protuberant


/ (prəˈtjuːbərənt) /


swelling out from the surrounding surface; bulging

Derived Forms

protuberance or protuberancy, nounprotuberantly, adverb

Word Origin for protuberant

C17: from Late Latin prōtūberāre to swell, from pro- 1 + tūber swelling
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for protuberant


[ prō-tōōbər-ənt ]


Swelling outward; bulging.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.