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hypertonic

[hahy-per-ton-ik] /ˌhaɪ pərˈtɒn ɪk/
adjective
1.
Physiology. of or relating to hypertonia.
2.
Physical Chemistry. noting a solution of higher osmotic pressure than another solution with which it is compared (opposed to hypotonic).
Compare isotonic (def 1).
Origin
1850-1855
1850-55; hyperton(ia) + -ic
Related forms
hypertonicity
[hahy-per-toh-nis-i-tee] /ˌhaɪ pər toʊˈnɪs ɪ ti/ (Show IPA),
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for hypertonic
  • However, it's been shown that hypertonic saline also can temporarily paralyze your nasal cilia, so mucous can stagnate.
  • hypertonic saline is used in treating hyponatremia and cerebral edema.
British Dictionary definitions for hypertonic

hypertonic

/ˌhaɪpəˈtɒnɪk/
adjective
1.
(esp of muscles) being in a state of abnormally high tension
2.
(of a solution) having a higher osmotic pressure than that of a specified, generally physiological, solution Compare hypotonic, isotonic
Derived Forms
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
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Word Origin and History for hypertonic

1855, from hyper- + tonic. Related: Hypertonia; hypertonicity.

Online Etymology Dictionary, © 2010 Douglas Harper
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hypertonic in Medicine

hypertonic hy·per·ton·ic (hī'pər-tŏn'ĭk)
adj.

  1. Having extreme muscular or arterial tension; spastic.

  2. Having the higher osmotic pressure of two solutions.


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.
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