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convolutionary

 - 4 dictionary results

con⋅vo⋅lu⋅tion

  [kon-vuh-loo-shuhn]
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–noun
1. a rolled up or coiled condition.
2. a rolling or coiling together.
3. a turn of anything coiled; whorl.
4. Anatomy. one of the sinuous folds or ridges of the surface of the brain.
Origin:
1535–45; < L convolūt- (see convolute ) + -ion

Related forms:
con⋅vo⋅lu⋅tion⋅al, con⋅vo⋅lu⋅tion⋅ar⋅y  [kon-vuh-loo-shuh-ner-ee] , adjective

Synonyms:
3. twist, winding, sinuosity.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

convolution 
1545, from L. convolutus, pp. of convolvere "to roll together," from com- "together" + volvere "to roll" (see vulva).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: con·vo·lu·tion
Pronunciation: "kän-v&-'lü-sh&n
Function: noun
: any of the irregular ridges on the surfaceof the brain and especially of the cerebrum called also gyrus; —compare SULCUS —con·vo·lu·tion·al /-shn&l, -sh&n-&l/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

convolution con·vo·lu·tion (kŏn'və-l&oomacr;'shən)
n.

  1. A form or part that is folded or coiled.

  2. One of the convex folds of the surface of the brain.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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