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[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
protuberantly, adverb
nonprotuberant, adjective
nonprotuberantly, adverb
unprotuberant, adjective
unprotuberantly, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for protuberant


swelling out from the surrounding surface; bulging
Derived Forms
protuberance, protuberancy, noun
protuberantly, adverb
Word Origin
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
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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
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protuberant in Medicine

protuberant pro·tu·ber·ant (prō-tōō'bər-ənt, -tyōō'-, prə-)
Swelling outward; bulging.

pro·tu'ber·ant·ly adv.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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