hy·​po·​to·​nia | \ ˌhī-pə-ˈtō-nē-ə How to pronounce hypotonia (audio) , -pō- \

Definition of hypotonia

: the state of having hypotonic muscle tone

Examples of hypotonia in a Sentence

Recent Examples on the Web Symptoms include agitation, hypertonia (too much muscle tone resulting in stiffness), hypotonia (too little muscle tone resulting in floppiness), tremors, drowsiness, and more. Korin Miller, SELF, "What to Know About Getting Pregnant If You Take Antipsychotics," 17 Jan. 2019 Just months after being born, Jace Pitre was diagnosed with hypotonia, a condition known as floppy baby syndrome that causes low muscle tone and affects the lungs and heart. Mike Candelaria, OrlandoSentinel.com, "Buddy Ball Baseball League a field of dreams for kids with disabilities," 21 June 2018 This could be due in part to what’s known as muscular hypotonia, or a lower than normal muscle tone. Amber Brenza, SELF, "Why Do the Corners of My Mouth Crack—and How Do I Fix It?," 31 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hypotonia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hypotonia

circa 1886, in the meaning defined above

History and Etymology for hypotonia

New Latin

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Time Traveler for hypotonia

Time Traveler

The first known use of hypotonia was circa 1886

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Cite this Entry

“Hypotonia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypotonia. Accessed 25 Feb. 2021.

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More Definitions for hypotonia


hy·​po·​to·​nia | \ ˌhī-pə-ˈtō-nē-ə, -pō- How to pronounce hypotonia (audio) \

Medical Definition of hypotonia

1 : abnormally low pressure of the intraocular fluid
2 : the state of having hypotonic muscle tone

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