isotonic

Of equal tension.

Isosmotic.

Having the same concentration of solutes as the blood.

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

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.

Having or indicating, equal tones, or tension.

Having an osmotic pressure (tonicity) equal to that of a reference solution; — of aqueous solutions. Contrasting with hypotonic and hypertonic. See hypertonic.

a system consisting of intervals, in which each concord is alike tempered, and in which there are twelve equal semitones.