[ proh-too-ber-uhns, -tyoo-, pruh- ]
/ proʊˈtu bər əns, -ˈtyu-, prə- /


the condition, state, or quality of being protuberant.
a protuberant part or thing; projection or bulge.

Origin of protuberance

First recorded in 1640–50; protuber(ant) + -ance

Related forms

pro·tu·ber·an·tial [proh-too-buh-ran-shuhl, -tyoo-] /proʊˌtu bəˈræn ʃəl, -ˌtyu-/, adjectivenon·pro·tu·ber·ance, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for protuberance

Medicine definitions for protuberance


[ prō-tōōbər-əns ]


Something, such as a bulge, knob, or swelling, that protrudes.
The condition of being protuberant.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.