isotonic

adjective
iso·​ton·​ic | \ ˌī-sə-ˈtä-nik How to pronounce isotonic (audio) \

Definition of isotonic

1 : of, relating to, or being muscular contraction in the absence of significant resistance, with marked shortening of muscle fibers, and without great increase in muscle tone — compare isometric
2 : isosmotic used of solutions

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Other Words from isotonic

isotonically \ ˌī-​sə-​ˈtä-​ni-​k(ə-​)lē How to pronounce isotonically (audio) \ adverb
isotonicity \ ˌī-​sə-​tō-​ˈni-​sə-​tē How to pronounce isotonicity (audio) \ noun

Examples of isotonic in a Sentence

Recent Examples on the Web Many do so clutching bottles of the isotonic beverage. The Economist, "Taking sides in Hong Kong’s protests presents opportunities for firms," 18 July 2019 His parents, Paul and Brigitte, a medical physicist, and girlfriend, Nina Almer, are the ones who will drive behind with food supplies, isotonic drinks, spare wheels and, of course, his MP3 players. Aimee Lewis, CNN, "Extreme Cuba: 1,450 kilometers in 57 hours on two wheels ... listening to one song on repeat," 18 July 2017

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

First Known Use of isotonic

1891, in the meaning defined at sense 1

History and Etymology for isotonic

International Scientific Vocabulary

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Time Traveler for isotonic

Time Traveler

The first known use of isotonic was in 1891

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Cite this Entry

“Isotonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isotonic. Accessed 19 Feb. 2020.

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More Definitions for isotonic

isotonic

adjective
iso·​ton·​ic | \ ˌī-sə-ˈtän-ik How to pronounce isotonic (audio) \

Medical Definition of isotonic

1 : of, relating to, or exhibiting equal osmotic pressure isotonic solutions — compare hypertonic sense 2, hypotonic sense 2
2 : of, relating to, or being muscular contraction in the absence of significant resistance, with marked shortening of muscle fibers, and without great increase in muscle tone — compare isometric sense 2

Other Words from isotonic

isotonically \ -​i-​k(ə-​)lē How to pronounce isotonically (audio) \ adverb
isotonicity \ -​tō-​ˈnis-​ət-​ē How to pronounce isotonicity (audio) \ noun, plural isotonicities

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