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tonicity

American  
[toh-nis-i-tee] / toʊˈnɪs ɪ ti /

noun

  1. tonic quality or condition.

  2. the state of bodily tone.

  3. Physiology. the normal elastic tension of living muscles, arteries, etc., by which the tone of the system is maintained.


tonicity British  
/ təʊˈnɪsɪtɪ /

noun

  1. the state, condition, or quality of being tonic

  2. physiol another name for tonus

"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

Etymology

Origin of tonicity

First recorded in 1815–25; tonic + -ity

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:

They have no way of controlling their tonicity.

From Textbooks ● Jun. 9, 2022

A solution's tonicity often directly correlates with the osmolarity of the solution.

From Textbooks ● Jun. 9, 2022

The measure of the tonicity of a solution, or the total amount of solutes dissolved in a specific amount of solution, is called its osmolarity.

From Textbooks ● Apr. 25, 2013

Parallel with opportunities for proper stimuli and response the nervous system must possess good tonicity, or vigor.

From The Mind and Its Education by George Herbert Betts

The limp, relaxed school cannot secure them, for there is no tone without tonicity and vitality of muscle.

From The Renaissance of the Vocal Art by Edmund Myer

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