- tonic quality or condition.
- the state of bodily tone.
- Physiology. the normal elastic tension of living muscles, arteries, etc., by which the tone of the system is maintained.
Origin of tonicity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tonicity
The benefit derived from these various attempts to increase the tonicity of the gastric muscle is not very apparent.
His sexual organs had completely regained their tonicity and without doubt, their virility.The Biology, Physiology and Sociology of Reproduction
Winfield S. Hall
On the other hand, relaxation, while it may remove restraint, makes artistic control and tonicity impossible.The Renaissance of the Vocal Art
A given plant-tissue may exist in widely different conditions of tonicity.
There are innumerable grades of tonicity between the optimum and minimum.
- the state, condition, or quality of being tonic
- 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
- Normal firmness or functional readiness in body tissues or organs.
- The sustained partial contraction of resting or relaxed muscles.
- The osmotic pressure or tension of a solution, usually relative to that of blood.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.