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Related to protrusion: hernia


a. The act of protruding.
b. The state of being protruded.
2. Something that protrudes.

[Latin prōtrūsus, past participle of prōtrūdere, to protrude; see protrude + -ion.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. something that protrudes
2. the state or condition of being protruded
3. the act or process of protruding
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(proʊˈtru ʒən, prə-)

1. the act of protruding or the state of being protruded.
2. something that protrudes; projection.
[1640–50; < Latin prōtrūs(us) (past participle of prōtrūdere to protrude) + -ion]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.




  1. Bulges out like bubble gum before popping —Tom Robbins
  2. Protruding like a warning finger —Beryl Markham
  3. [A church spire] standing out conspicuously like an indicating finger —MacDonald Harris
  4. Standing out unnaturally, like a male harpist in an all-girl orchestra —William Safire
  5. Stand out like a blind man at a tit show —William Diehl
  6. Stand out like a polar bear in the desert —Andrew Kaplan
  7. Stand out like a raisin on a coconut cake —Pat Conroy
  8. Stands out like a blackberry in a pan of milk —American colloquialism, attributed to Vermont
  9. Stick out like a bug on a butter knife —Loren D. Estleman
  10. Sticks out like the belly of a pregnant woman —Robert Lowell
Similes Dictionary, 1st Edition. © 1988 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.protrusion - something that bulges out or is protuberant or projects from its surroundingsprotrusion - something that bulges out or is protuberant or projects from its surroundings; "the gun in his pocket made an obvious bulge"; "the hump of a camel"; "he stood on the rocky prominence"; "the occipital protuberance was well developed"; "the bony excrescence between its horns"
frontal eminence - either prominence of the frontal bone above each orbit
occipital protuberance - prominence on the outer surface of the occipital bone
belly - a part that bulges deeply; "the belly of a sail"
caput - a headlike protuberance on an organ or structure; "the caput humeri is the head of the humerus which fits into a cavity in the scapula"
mogul - a bump on a ski slope
nub, nubble - a small lump or protuberance
snag - a sharp protuberance
wart - any small rounded protuberance (as on certain plants or animals)
projection - any solid convex shape that juts out from something
2.protrusion - the act of projecting out from something
change of shape - an action that changes the shape of something
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


noun protuberance, swelling, lump, bump, projection, bulge, hump, jut, outgrowth an ugly protrusion on the ankle where the bone had not set properly
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002


A part that protrudes or extends outward:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


[prəˈtruːʒən] Nsaliente m, protuberancia f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


(= protruding object)Vorsprung m
(= protruding) (of rock, buttress, teeth etc)Vorstehen nt; (of forehead, chin)Vorspringen nt; (of eyes)Vortreten nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
"But," said the Spectator, "you said in your famous speech before the Society for the Prevention of the Protrusion of Nail Heads from Plank Sidewalks that Kings were blood-smeared oppressors and hell- bound loafers."
they deified the crocodile of the nile, because the crocodile is tongueless; and the Sperm Whale has no tongue, or as least it is so exceedingly small, as to be incapable of protrusion. If hereafter any highly cultured, poetical nation shall lure back to their birth-right, the merry May-day gods of old; and livingly enthrone them again in the now egotistical sky; in the now unhaunted hill; then be sure, exalted to Jove's high seat, the great Sperm Whale shall lord it.
She could not reconcile the anxieties of a spiritual life involving eternal consequences, with a keen interest in gimp and artificial protrusions of drapery.
There are two major causes of cellulite; the hardening of the connective tissue that is the support system for fat; and the protrusion of fat cells into the lower part of the skin.
They generally manifest as painless neck swellings, and they move on protrusion of the tongue and during deglutition.
Alert officers, however, may notice a slight bulge or protrusion that raises their suspicions.
He spotted a protrusion and used a scribe to feel for a lip.
The control protrusion type has a casing designed to move within the winter tire in response to the degree of loading and their outer wear.
The research consisted of analyzing the effects of fetal bovine serum on the average cell diameter, protrusion count, and length of protrusions of central nervous system neurons harvested from the frontal brain lobes of chicken embryos ranging from seven to nine days of development.
The DSC-F88 has a zoom function that doesn't involve the physical protrusion of its 300-degree rotating lens, a resolution of 5.1 megapixels, a 1.8-inch LCD monitor and magnifier mode, so users can take photos from as close as one centimeter.