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flex1

[fleks] /flɛks/
verb (used with object)
1.
to bend, as a part of the body:
He flexed his arms to show off his muscles.
2.
to tighten (a muscle) by contraction.
verb (used without object)
3.
to bend.
noun
4.
the act of flexing.
5.
British.
  1. any flexible, insulated electric cord; an electric cord or extension cord.
  2. Slang. an elastic band, as a garter.
6.
Mathematics. an inflection point.
Origin
1515-1525
1515-25; (adj.) < Latin flexus, past participle of flectere to bend, turn; (noun) < Latin flexus act of bending, equivalent to flect(ere) + -tus suffix of v. action
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for flexes
  • The deltoid flexes the shoulder joint, and will load the shoulder if overdeveloped.
  • The digital flexor flexes the toe and knee and extends the elbow.
British Dictionary definitions for flexes

flex

/flɛks/
noun
1.
(Brit) a flexible insulated electric cable, used esp to connect appliances to mains US and Canadian name cord
2.
(informal) flexibility or pliability
verb
3.
to bend or be bent he flexed his arm, his arm flexed
4.
to contract (a muscle) or (of a muscle) to contract
5.
(intransitive) to work according to flexitime
6.
to test or display (one's authority or strength)
Word Origin
C16: from Latin flexus bent, winding, from flectere to bend, bow
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
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Word Origin and History for flexes

flex

v.

1520s, probably a back-formation from flexible. Related: Flexed; flexing.

Online Etymology Dictionary, © 2010 Douglas Harper
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flexes in Medicine

flex (flěks)
v. flexed, flex·ing, flex·es

  1. To bend.

  2. To contract a muscle.

  3. To move a joint so that the parts it connects approach each other.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Difficulty index for flex

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Word Value for flexes

16
17
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