motility

noun

mo·​til·​i·​ty mō-ˈti-lə-tē How to pronounce motility (audio)
1
: the quality or state of being motile : capability of movement
Actin is found in almost all kinds of non-muscle cells where it is thought to have an important role in cell motility.Toshio Yanagida et al.
Checks shape, concentration, motility, and number of sperm.Michael Gold
2
: the ability of the muscles of the digestive tract to undergo contraction
… some GERD patients have impaired gut motility, meaning that their stomachs empty too slowly.Andrew Weil
"Esophageal motility" refers to the action of the esophagus walls' musculature in propelling food downward to the stomach.Paul G. Donohue
Patients with scleroderma may have abnormal motility of the small intestine …Hani C. Soudah et al.

Examples of motility in a Sentence

Recent Examples on the Web
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In addition to acid production, caffeine also stimulates intestinal motility. Veronica Cristino, Vogue, 30 Mar. 2025 The Dead to Me star advised listeners who suffer from similar symptoms to consider discussing motility issues with their doctors, as MS can slow down the functioning of vital organs. Dan Perry, Newsweek, 18 Mar. 2025 The ability of sperm to properly swim through the female reproductive tract to reach and fertilize an egg is called motility. Sandee Lamotte, CNN, 4 Mar. 2025 However, a motility count of less than 5 million per milliliter of semen is associated with a severe case of oligospermia, or low sperm count, which often leads to male infertility, the study said. Sandee Lamotte, CNN, 4 Mar. 2025 See All Example Sentences for motility

Word History

First Known Use

1822, in the meaning defined at sense 1

Time Traveler
The first known use of motility was in 1822

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Cite this Entry

“Motility.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/motility. Accessed 22 Apr. 2025.

Medical Definition

motility

noun
mo·​til·​i·​ty mō-ˈtil-ət-ē How to pronounce motility (audio)
plural motilities
1
: the quality or state of being motile : capability of movement
sperm motility
2
: the ability of the muscles of the digestive tract to undergo contraction
Patients with scleroderma may have abnormal motility of the small intestine …Hani C. Soudah et al.

More from Merriam-Webster on motility

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