convolution

noun

con·​vo·​lu·​tion ˌkän-və-ˈlü-shən How to pronounce convolution (audio)
1
: a form or shape that is folded in curved or tortuous windings
the convolutions of the intestines
2
: one of the irregular ridges on the surface of the brain and especially of the cerebrum of higher mammals
3
: a complication or intricacy of form, design, or structure
… societies in which the convolutions of power and the caprices of the powerful are ever-present dangers to survival.Mary Lee Settle

Examples of convolution in a Sentence

I found it hard to follow the convolutions of the book's plot. a plot full of convolution and confusion
Recent Examples on the Web The English and Bengali-language project, currently in development, explores the emotional and spiritual convolutions of an immigrant from Bengal living in Scotland. Naman Ramachandran, Variety, 16 May 2024 The top two Pro Tools versions also include Space, which offers an array of beautiful-sounding convolution reverbs, complete with multiple photos of the actual room that was used for recording each impulse response file. PCMAG, 1 May 2024 Monster’s contrivances and convolutions didn’t all work for me, but the scenes the boys share in the final third are magical. David Rooney, The Hollywood Reporter, 6 Dec. 2023 Add a dizzying array of narrative convolutions, coincidences and contrivances and the movie becomes a lot to carry, especially when the tone is supposed to be feather-light. Ann Hornaday, Washington Post, 3 Oct. 2023 But never fear: After some pointless convolutions, all three women do eventually go to Lourdes, as does Chrissie, for reasons never clear. Jessica Kiang, Los Angeles Times, 14 July 2023 For every placement of the kernel, the network would perform a complicated mathematical calculation called a convolution that looked for distinguishing features. Steve Nadis, Quanta Magazine, 8 June 2023 Trending Which isn’t to say there’s not a certain gee-whiz fun to be had from Back to the Future Part II, at least for those who can get a kick out of its Heinlein-by-way-of-Amblin convolutions. A.a. Dowd, Rolling Stone, 18 June 2023 That’s fitting enough; you’re meant to feel the noose tighten around each character’s neck in turn, though sometimes the tension slackens and the story threatens to collapse under the weight of its many convolutions. Justin Chang, Los Angeles Times, 16 Mar. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'convolution.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

borrowed from Medieval Latin convolūtiōn-, convolūtiō "a folding," from Latin convolū-, variant stem of convolvere "to roll up, coil, twist" + -tiōn-, -tiō, suffix of verbal action — more at convolve

First Known Use

1545, in the meaning defined at sense 1

Time Traveler
The first known use of convolution was in 1545

Dictionary Entries Near convolution

Cite this Entry

“Convolution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/convolution. Accessed 17 Jul. 2024.

Kids Definition

convolution

noun
con·​vo·​lu·​tion ˌkän-və-ˈlü-shən How to pronounce convolution (audio)
: one of the uneven ridges on the surface of the brain and especially of the cerebrum of higher mammals

Medical Definition

convolution

noun
con·​vo·​lu·​tion ˌkän-və-ˈlü-shən How to pronounce convolution (audio)
: any of the irregular ridges on the surface of the brain and especially of the cerebrum

called also gyrus

compare sulcus
convolutional adjective

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