isotonic

adjective

iso·​ton·​ic ˌī-sə-ˈtä-nik How to pronounce isotonic (audio)
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
isotonically adverb
isotonicity noun

Examples of isotonic in a Sentence

Recent Examples on the Web Cleansing with paint thinner and isotonic saline solution was necessary. Discover Magazine, 19 Nov. 2019 Solution: The solution that is packaged with neti pots includes an isotonic solution of salt water. Caroline Thomason, Verywell Health, 15 Dec. 2023 Includes the value of in-kind products and services provided as part of a corporate sponsorship (e.g., equipment, apparel, soft drinks, water and isotonic products). Usa Today Sports, USA TODAY, 14 Oct. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'isotonic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary

First Known Use

1891, in the meaning defined at sense 1

Time Traveler
The first known use of isotonic was in 1891

Dictionary Entries Near isotonic

Cite this Entry

“Isotonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isotonic. Accessed 28 Mar. 2024.

Medical Definition

isotonic

adjective
iso·​ton·​ic ˌī-sə-ˈtän-ik How to pronounce isotonic (audio)
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
isotonically adverb
isotonicity noun
plural isotonicities
Love words? Need even more definitions?

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