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The habitual, involuntary grinding or clenching of the teeth, usually during sleep.

[From New Latin brūxis, a gnashing, from Greek brūkein, to gnash.]
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.


(Pathology) the habit of grinding the teeth, esp unconsciously
[irregularly formed from Greek brykein to gnash the teeth + -ism]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈbrʌk sɪz əm)

habitual, purposeless clenching and grinding of the teeth.
[1935–40; < Greek *brȳx(is) a gnashing of teeth]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


the habit of purposelessly grinding one’s teeth, especially during sleep. Also called bruxomania.
See also: Teeth
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bruxism - involuntarily or unconsciously clenching or grinding the teeth, typically during sleep
action - something done (usually as opposed to something said); "there were stories of murders and other unnatural actions"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n bruxismo
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
Mentioned in ?
References in classic literature ?
Rolling eyeballs and grinding teeth are, however, sufficient signs of anger to be decipherable in the dark.
The slightest reproof, the most mild and justifiable remonstrance, would be met by a resentful glare and an evil shrinking of his thin dry upper lip, a snarl of hate to which he generally added the agreeable sound of grinding teeth.
There's a condition called hypertension which leads to high blood pressure and symptoms like grinding teeth, and it's been proven that it affects LGBT and BAME people, and women, the most.
Similarly students of public sector had significantly more involvement in the habits of biting nails, chewing lips, clinching/ grinding teeth, scratching/picking skin, pulling hair on head and eyebrows/ lashes and punching wall, as compared to private sector (p <0.05).
In some instances, by grinding teeth and bits of bone to powder, and then pulling out fragments of genetic material, he and his colleagues have succeeded in reconstructing all of the DNA of individuals.
Other complications include: grinding teeth, oral fungus, viral infections, loss of sensitivity (which could lead user to ignore cavities or gum disease).
The Heterodontosaurus tucki&nbsp;was a small, plant-eating dinosaur with grinding teeth at the back of its jaw and big canines in the front, the scientists found.
species, raised beyond the grinding teeth of kangaroos.