a rolled up or coiled condition.
a rolling or coiling together.
a turn of anything coiled; whorl.
Anatomy. one of the sinuous folds or ridges of the surface of the brain.
Origin of convolution
1535–45;Related formscon·vo·lu·tion·al, con·vo·lu·tion·ar·y [kon-vuh-loo-shuh-ner-ee] /ˌkɒn vəˈlu ʃəˌnɛr i/, adjective
< Latin convolūt-
) + -ion
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for convolutionundulation
Examples from the Web for convolution
Historical Examples of convolution
Every convolution of those filaments is photographed on my brain.
Every fibre has its function, every convolution its purpose.
Every minute convolution had been followed to an incredible point of perfection.
It would, indeed, seem to be true that folded away in some convolution of our brain are the faculties of the fish and the bird.
Thus the skull becomes thinner at the site of every active organ, and thicker over every convolution that is inactive.
British Dictionary definitions for convolution
Derived Formsconvolutional or convolutionary, adjective
a twisting together; a turn, twist, or coil
an intricate, involved, or confused matter or condition
Also called: gyrus any of the numerous convex folds or ridges of the surface of the brain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for convolution
1540s, from Latin convolutus, past participle of convolvere "to roll together," from com- "together" (see com-) + volvere "to roll" (see volvox).
Online Etymology Dictionary, © 2010 Douglas Harper
A form or part that is folded or coiled.
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.