myotonia

American

[mahy-uh-toh-nee-uh] / ˌmaɪ əˈtoʊ ni ə /

noun

Pathology.

tonic muscle spasm or muscular rigidity.

myotonia British

/ ˌmaɪəˈtəʊnɪə /

noun

Also called: amyotonia. lack of muscle tone, frequently including muscle spasm or rigidity

"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

Other Word Forms

myotonic

adjective

Etymology

Origin of myotonia

First recorded in 1895–1900; myo- + -tonia

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

myotonia

These mice exhibited severe myotonia, muscle weakness, impaired mobility, respiratory defects, and a marked reduction in lifespan.

From Science Daily ● Jan. 2, 2024

Examples include uses of the drug mexiletine to treat the rare muscle disease non-dystrophic myotonia, and experimental treatments for the Ebola virus.

From Nature ● Apr. 28, 2015

He had been labeled with a number of interesting diagnoses, such as chorea, epilepsy, myotonia, hysteria, and neurasthenia.

From Anomalies and Curiosities of Medicine by Walter L. (Walter Lytle) Pyle

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023