Dictionary.com

hypertonic

[ hahy-per-ton-ik ]
/ ˌhaɪ pərˈtɒn ɪk /

adjective

Physiology. of or relating to hypertonia.
Physical Chemistry. noting a solution of higher osmotic pressure than another solution with which it is compared (opposed to hypotonic).Compare isotonic (def. 1).

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Origin of hypertonic

First recorded in 1850–55; hyperton(ia) + -ic

OTHER WORDS FROM hypertonic

hy·per·to·nic·i·ty [hahy-per-toh-nis-i-tee], /ˌhaɪ pər toʊˈnɪs ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for hypertonic

hypertonic
/ (ˌhaɪpəˈtɒnɪk) /

adjective

(esp of muscles) being in a state of abnormally high tension
(of a solution) having a higher osmotic pressure than that of a specified, generally physiological, solutionCompare hypotonic, isotonic

Derived forms of hypertonic

hypertonicity (ˌhaɪpətəʊˈnɪsɪtɪ), noun
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

Medical definitions for hypertonic

hypertonic
[ hī′pər-tŏn′ĭk ]

adj.

Having extreme muscular or arterial tension; spastic.
Having the higher osmotic pressure of two solutions.

Other words from hypertonic

hy′per•to•nic′i•ty (-tə-nĭs′ĭ-tē, -tō-) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.