extensor

noun

ex·​ten·​sor ik-ˈsten(t)-sər How to pronounce extensor (audio)
: a muscle serving to extend a bodily part (such as a limb)

Examples of extensor in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
His left wrist issues began in May 2023 when the extensor carpi ulnaris tendon, or ECU, would pop out of its sheath. Tim Reynolds, Sun Sentinel, 25 Feb. 2025 George, who averages 17.1 points, 5.6 rebounds, 4.7 assists and 1.7 steals, is day-to-day with an extensor tendon injury in his left pinkie finger. Jason Anderson, Sacramento Bee, 29 Jan. 2025 Swimming This classical Pilates exercise targets your lower back muscles and extensors, which help with lifting objects. Leoni Jesner, Health, 4 Nov. 2024 Related Articles Brent Rooker undergoes surgery on right forearm extensor Despite not being fully healthy all season, Rooker posted career-highs in homers (39), RBIs (112) and batting average (.293), among many other metrics. Justice Delos Santos, The Mercury News, 4 Oct. 2024 See All Example Sentences for extensor

Word History

First Known Use

1615, in the meaning defined above

Time Traveler
The first known use of extensor was in 1615

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Cite this Entry

“Extensor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extensor. Accessed 6 Mar. 2025.

Kids Definition

extensor

noun
ex·​ten·​sor ik-ˈsten(t)-sər How to pronounce extensor (audio)
: a muscle serving to extend a bodily part (as a leg or arm)

Medical Definition

extensor

noun
ex·​ten·​sor ik-ˈsten(t)-sər How to pronounce extensor (audio) -sȯ(ə)r How to pronounce extensor (audio)
: a muscle serving to extend a bodily part (as a limb)

called also extensor muscle

compare flexor
Last Updated: - Updated example sentences
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