extensor

American  

[ik-sten-ser, -sawr] / ɪkˈstɛn sər, -sɔr /

noun

Anatomy.

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

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extensor British  

/ ɪkˈstɛnsə, -sɔː /

noun

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

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extensor Scientific  

/ ĭk-stĕn′sər /

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

2. Compare flexor

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Etymology

Origin of extensor

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

Compare meaning

How does extensor compare to similar and commonly confused words? Explore the most common comparisons:

• flexor vs. extensor