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, 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, 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, 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.

First Known Use of hypotonia

circa 1886, in the meaning defined above

History and Etymology for hypotonia

New Latin

Learn More About hypotonia

Time Traveler for hypotonia

Time Traveler

The first known use of hypotonia was circa 1886

See more words from the same year

Dictionary Entries Near hypotonia




See More Nearby Entries 

Statistics for hypotonia

Cite this Entry

“Hypotonia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypotonia. Accessed 18 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

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


Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!