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protuberance

[proh-too-ber-uh ns, -tyoo-, pruh-] /proʊˈtu bər əns, -ˈtyu-, prə-/
noun
1.
the condition, state, or quality of being protuberant.
2.
a protuberant part or thing; projection or bulge.
Origin
1640-1650
1640-50; protuber(ant) + -ance
Related forms
protuberantial
[proh-too-buh-ran-shuh l, -tyoo-] /proʊˌtu bəˈræn ʃəl, -ˌtyu-/ (Show IPA),
adjective
nonprotuberance, noun
Synonyms
2. protrusion, swelling.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for protuberantial

protuberance

n.

1640s, from Late Latin protuberantem (nominative protuberans), present participle of protuberare "to swell, bulge, grow forth," from Latin pro- "forward" (see pro-) + tuber "lump, swelling" (see tuber).

Online Etymology Dictionary, © 2010 Douglas Harper
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protuberantial in Medicine

protuberance pro·tu·ber·ance (prō-tōō'bər-əns, -tyōō'-, prə-)
n.

  1. Something, such as a bulge, knob, or swelling, that protrudes.

  2. 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.
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