convolution

[kon-vuh-loo-shuhn]
||

noun

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; < 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 for convolution

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for convolutions

Contemporary Examples of convolutions

Historical Examples of convolutions

  • He was somehow sensible of its convolutions as he stood against the wall and strained his eyes into the dusk.

    The Phantoms Of The Foot-Bridge

    Charles Egbert Craddock (AKA Mary Noailles Murfree)

  • Roots of plants become scaly, contorted, and lie in convolutions like the coils of a serpent.

    Palmetto-Leaves

    Harriet Beecher Stowe

  • Her hair, in its dips and convolutions, was altogether a puzzle.

    Free Air

    Sinclair Lewis

  • He travelled a road that faithfully followed the convolutions of the levee, running along its base, but whither he knew not.

  • He followed their convolutions miserably, walking as if his eyes were shut.



British Dictionary definitions for convolutions

convolution

noun

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
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).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for convolutions

convolution

[kŏn′və-lōōshən]

n.

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.