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coruscation

[kawr-uh-skey-shuh n, kor-]
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noun
  1. the act of coruscating.
  2. a sudden gleam or flash of light.
  3. a striking display of brilliance or wit.
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Origin of coruscation

First recorded in 1480–90, coruscation is from the Late Latin word coruscātiōn- (stem of coruscātiō). See coruscate, -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for coruscation

coruscation

noun
  1. a gleam or flash of light
  2. a sudden or striking display of brilliance, wit, etc
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for coruscation

n.

late 15c., from Latin coruscationem (nominative coruscatio), noun of action from past participle stem of coruscare "to vibrate, glitter" (see coruscate).

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Online Etymology Dictionary, © 2010 Douglas Harper
coruscation in Medicine

coruscation

(kôr′ə-skā′shən)
n.
  1. A sensation of a flash of light before the eyes.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.