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torsion

[tawr-shuhn]

Origin

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noun

the act of twisting.

the state of being twisted.

Mechanics.

the twisting of a body by two equal and opposite torques.

the internal torque so produced.

Mathematics.

the degree of departure of a curve from a plane.

a number measuring this.

Origin:
1375–1425; 1535–45 for def. 1; late Middle English torcion wringing one's bowels < Old French torsion < Late Latin torsiōn- (stem of torsiō) torment, equivalent to tors(us) twisted (see torse) + -iōn- -ion

Related forms

tor·sion·al, adjective

tor·sion·al·ly, adverb

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Torsion is always a great word to know.

So is interrobang. Does it mean:

a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.

a fool or simpleton; ninny.

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Collins

World English Dictionary

torsion (ˈtɔːʃən)

—n
1.	a. the twisting of a part by application of equal and opposite torques at either end
	b. the condition of twist and shear stress produced by a torque on a part or component
2.	the act of twisting or the state of being twisted

[C15: from Old French, from medical Latin torsiō griping pains, from Latin torquēre to twist, torture]

'torsional

—*adj*

'torsionally

—*adv*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline

Word Origin & History

torsion

c.1425, "wringing pain in the bowels," from O.Fr. torsion (1314), from L.L. torsionem (nom. torsio) "a wringing or gripping," from L. tortionem (nom. tortio) "torture, torment," from tortus, pp. of torquere "to twist" (see thwart). Meaning "action or process of twisting as

EXPAND

by opposing forces" is first recorded 1543.

COLLAPSE

Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage

Medical Dictionary

torsion tor·sion (tôr'shən)
n.