pro·​tu·​ber·​ance | \ prō-ˈtü-b(ə-)rən(t)s How to pronounce protuberance (audio) , -ˈtyü- \

Definition of protuberance

1 : something that is protuberant
2 : the quality or state of being protuberant

Choose the Right Synonym for protuberance

projection, protrusion, protuberance, bulge mean an extension beyond the normal line or surface. projection implies a jutting out especially at a sharp angle. those projections along the wall are safety hazards protrusion suggests a thrusting out so that the extension seems a deformity. the bizarre protrusions of a coral reef protuberance implies a growing or swelling out in rounded form. a skin disease marked by warty protuberances bulge suggests an expansion caused by internal pressure. bulges in the tile floor

Examples of protuberance in a Sentence

the tree trunk had several mossy protuberances where branches had once grown
Recent Examples on the Web One particularly exciting aspect of the Wyoming fossil is a bony protuberance over its eye sockets, which is not a feature seen in nocturnal birds. Jeanne Timmons, Ars Technica, 25 May 2022 When an untitled 6½-foot piece — a looping, lobed protuberance that dangles from the ceiling — was auctioned at Christie’s in 2020, bidding climbed to $5.4 million, which was above the high estimate. Los Angeles Times, 5 Feb. 2022 Tourists speeding toward Grand Canyon National Park rarely notice the rocky protuberance that juts above the flat expanse of Arizona's Coconino Plateau. USA Today, 17 Aug. 2021 Tourists speeding north on Arizona State Route 64 toward Grand Canyon National Park rarely notice the rocky protuberance that juts above the flat expanse of the Coconino Plateau about 2 miles to the east., 16 Aug. 2021 That explained the protuberance on its snout, which resembled a tiny battering ram. John Horgan, Scientific American, 24 July 2021 Per Live Science, other species of female mantises are also known to call in nearby suitors with pheromones released from a less showy gland located in roughly the same part of their exoskeleton as the dragon mantis’ protuberance. Alex Fox, Smithsonian Magazine, 28 Apr. 2021 The presence of this protuberance encouraged the wind to pass around it, reinforcing its tendency to dig more deeply closer to the rim, hollowing out a doughnut trench. The Economist, 16 Dec. 2020 Henry VIII remains the poster boy for codpieces, those profane protuberances that drew eyes crotchward in the sixteenth century. Dan Piepenbring, The New Yorker, 23 May 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'protuberance.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of protuberance

1646, in the meaning defined at sense 1

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The first known use of protuberance was in 1646

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Last Updated

8 Jun 2022

Cite this Entry

“Protuberance.” Dictionary, Merriam-Webster, Accessed 26 Jun. 2022.

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More Definitions for protuberance


pro·​tu·​ber·​ance | \ prō-ˈt(y)ü-b(ə-)rən(t)s How to pronounce protuberance (audio) \

Medical Definition of protuberance

1 : something that is protuberant a bony protuberance
2 : the quality or state of being protuberant

More from Merriam-Webster on protuberance

Nglish: Translation of protuberance for Spanish Speakers


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