- isotonic, isosmotic - (used of solutions) having the same or equal osmotic pressure
Antonyms: hypertonic, hypotonic
- isotonic - relating to or characterized by the equal intervals of the well-tempered scale; "isotonic tuning"
- isotonic - of or involving muscular contraction in which tension is constant while length changes
Antonym: isometric
- isotonic - of two or more muscles; having equal tension
Antonyms: relaxed, at ease (indirect, via tense)
- isotonic - of or involving muscular contraction in which tension is constant while length changes