Also, isosmotic. Physical Chemistry. noting or pertaining to solutions characterized by equal osmotic pressure. Compare hypertonic ( def 2 ), hypotonic ( def 2 ).
noting or pertaining to a solution containing the same salt concentration as mammalian blood.
noting or pertaining to a muscular contraction in which constant tension continues while the length of the muscle decreases, as during mechanical work.
Music. of or characterized by equal tones.

1820–30; < Greek isóton(os) having equal accent or tone (see iso-, tone) + -ic

isotonicity [ahy-suh-tuh-nis-i-tee] , noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To isotonic
World English Dictionary
isotonic (ˌaɪsəʊˈtɒnɪk)
1.  physiol (of two or more muscles) having equal tension
2.  (of a drink) designed to replace the fluid and salts lost from the body during strenuous exercise
3.  hypertonic Compare hypotonic Also: isosmotic (of two solutions) having the same osmotic pressure, commonly having physiological osmotic pressure
4.  music of, relating to, or characterized by the equal intervals of the well-tempered scale: isotonic tuning

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

isotonic i·so·ton·ic (ī'sə-tŏn'ĭk)

  1. Of equal tension.

  2. Isosmotic.

  3. Having the same concentration of solutes as the blood.

  4. Of or involving muscular contraction in which the muscle remains under relatively constant tension while its length changes.

i'so·to·nic'i·ty (-tə-nĭs'ĭ-tē) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Example sentences for isotonic
Pbs has many uses because it is isotonic and nontoxic to cells.
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature