[proh-too-ber-uh nt, -tyoo-, pruh-]


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 formspro·tu·ber·ant·ly, adverbnon·pro·tu·ber·ant, adjectivenon·pro·tu·ber·ant·ly, adverbun·pro·tu·ber·ant, adjectiveun·pro·tu·ber·ant·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for protuberant

Historical Examples of protuberant

British Dictionary definitions for protuberant



swelling out from the surrounding surface; bulging
Derived Formsprotuberance 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

Word Origin and History for protuberant

1640s, from French protubérant (16c.) and directly from Late Latin protuberantem (moninative protuberans), present participle of protuberare "to swell, bulge out" (see protuberance). Related: Protuberantly.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for protuberant




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