Dictionary.com
Thesaurus.com
Showing results for hypotonic. Search instead for hypotonia.

hypotonic

American  
[hahy-puh-ton-ik] / ˌhaɪ pəˈtɒn ɪk /

adjective

  1. Physiology. (of tissue) having less than the normal tone.

  2. Physical Chemistry. noting a solution of lower osmotic pressure than another solution with which it is compared (hypertonic ).


hypotonic British  
/ ˌhaɪpəˈtɒnɪk, ˌhaɪpətəˈnɪsɪtɪ /

adjective

  1. pathol (of muscles) lacking normal tone or tension

  2. (of a solution) having a lower osmotic pressure than that of a specified, generally physiological, solution Compare hypertonic isotonic

"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

Other Word Forms

  • hypotonicity noun

Etymology

Origin of hypotonic

First recorded in 1890–95; hypo- + tonic

Compare meaning

How does hypotonic compare to similar and commonly confused words? Explore the most common comparisons:

Vocabulary lists containing hypotonic

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.

In a hypotonic environment, cells tend to swell due to intake of water.

From Textbooks • Jun. 9, 2022

Water, which is hypotonic with respect to body fluids.

From Textbooks • Jun. 9, 2022

The terms isotonic, hypertonic, and hypotonic refer the “strength,” or concentration, of the sugar solute, not the water.

From Textbooks • Jan. 1, 2018

A hypotonic solution has a solute concentration lower than another solution.

From Textbooks • Jun. 19, 2013

These give it an osmotic pressure which prevents the deleterious effects of a strongly hypotonic liquid.

From The Mechanism of Life by Leduc, Stéphane