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convolution

[kon-vuh-loo-shuh n]
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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.
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Origin of convolution

1535–45; < Latin convolūt- (see convolute) + -ion
Related formscon·vo·lu·tion·al, con·vo·lu·tion·ar·y [kon-vuh-loo-shuh-ner-ee] /ˌkɒn vəˈlu ʃəˌnɛr i/, adjective

Synonyms

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3. twist, winding, sinuosity.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for convolutions

convolution

noun
  1. a twisting together; a turn, twist, or coil
  2. an intricate, involved, or confused matter or condition
  3. Also called: gyrus any of the numerous convex folds or ridges of the surface of the brain
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Derived Formsconvolutional or convolutionary, adjective
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 convolutions

convolution

n.

1540s, from Latin convolutus, past participle of convolvere "to roll together," from com- "together" (see com-) + volvere "to roll" (see volvox).

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Online Etymology Dictionary, © 2010 Douglas Harper

convolutions in Medicine

convolution

(kŏn′və-lōōshən)
n.
  1. A form or part that is folded or coiled.
  2. One of the convex folds of the surface of the brain.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.