Extensor definition

ĭk-stĕnsər
Frequency:
A muscle that extends or straightens a limb or body part.
noun
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A muscle that extends or straightens some part of the body, esp. a flexed arm or leg.
noun
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A muscle that extends or straightens a limb or body part.
noun
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A muscle that extends or straightens a limb or joint.
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(anatomy) A muscle whose contraction extends or straightens a limb or body part.
noun
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Other Word Forms

Noun

Singular:
extensor
Plural:
extensors

Origin of extensor

  • New Latin extēnsor from Latin extēnsus past participle of extendere to stretch out extend

    From American Heritage Dictionary of the English Language, 5th Edition