extensor

[ ik-sten-ser, -sawr ]

nounAnatomy.
  1. a muscle that serves to extend or straighten a part of the body.

Origin of extensor

1
1700–10; <New Latin, equivalent to Latin extend(ere) to extend + -tor-tor, with -dt->-s-

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How to use extensor in a sentence

British Dictionary definitions for extensor

extensor

/ (ɪkˈstɛnsə, -sɔː) /


noun
  1. any muscle that stretches or extends an arm, leg, or other bodily part: Compare flexor

Origin of extensor

1
C18: from New Latin, from Latin extensus stretched out

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

Scientific definitions for extensor

extensor

[ ĭk-stĕnsər ]


  1. A muscle that extends or straightens a limb or joint. Compare flexor.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.