follow Dictionary.com

How do you spell Hannukah?

extensor

[ik-sten-ser, -sawr] /ɪkˈstɛn sər, -sɔr/
noun, Anatomy
1.
a muscle that serves to extend or straighten a part of the body.
Origin
1700-1710
1700-10; < New Latin, equivalent to Latin extend(ere) to extend + -tor -tor, with -dt- > -s-
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
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
Word Origin
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
Cite This Source
Word Origin and History for extensor
n.

1713, short for medical Latin musculus extensor, from Late Latin extensor "stretcher," agent noun from Latin extensus (see extend).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
extensor in Medicine

extensor ex·ten·sor (ĭk-stěn'sər)
n.
A muscle that extends or straightens a limb or body part.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
extensor in Science
extensor
  (ĭk-stěn'sər)   
A muscle that extends or straightens a limb or joint. Compare flexor.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for extensor

Some English speakers likely know this word

Word Value for extensor

15
16
Scrabble Words With Friends

Nearby words for extensor