adj. Having the same concentration of solutes as human blood.
adj. having equal tension
adj. Of or involving muscular contraction against resistance in which the length of the muscle changes. Antonym is isometric. Isotonic movements are either concentric (working muscle shortens) or eccentric (working muscle lengthens). See also Wikipedia:Isotonic (exercise physiology)
the GNU version of the Collaborative International Dictionary of English
adj. Having or indicating, equal tones, or tension.
adj. Having an osmotic pressure (tonicity) equal to that of a reference solution; -- of aqueous solutions. Contrasting with hypotonic and hypertonic. See hypertonic.
The Century Dictionary and Cyclopedia
Having or indicating equal tones.
In physical chemistry, possessing or producing equal osmotic pressures; especially, having salts dissolved in such proportion as to occasion no change of volume in red blood-corpuscles put in contact with the solution.
Relating to isotonia.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of or involving muscular contraction in which tension is constant while length changes
adj. of two or more muscles; having equal tension
adj. relating to or characterized by the equal intervals of a musical scale
adj. (used of solutions) having the same or equal osmotic pressure
Word Usage
"The magazine also included articles on fashion, food and gadgets such as the "Tensolator," which provided "bodybuilding isotonic tension," perhaps to make up for slow nights in the rumpus room."