isotonic

Isotonic is defined as having equal tension.

(adjective)

When you lift an object at a constant speed and your muscle's length changes but the tension stays the same, this is an example ofisotonic contractions.
When a fluid has the same osmotic pressure as the fluid inside your red blood cell, this is an example of an isotonic fluid.

See isotonic in Webster's New World College Dictionary

adjective

having equal tension
having the same osmotic pressure; esp., designating or of a salt solution having the same osmotic pressure as blood

Origin: < Gr isotonos (< isos, equal + tonos, a stretching: see tone) + -ic

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See isotonic in American Heritage Dictionary 4

adjective

Of equal tension.
Isosmotic.
Having the same concentration of solutes as the blood: an isotonic saline solution.
Physiology Of or involving muscular contraction in which the muscle remains under relatively constant tension while its length changes.

Origin:

Origin: iso-

Origin: + Greek tonos, tension; see tone

Origin: + -ic

Related Forms: