isotonic

Definitions of isotonic

1. adjective

   of two or more muscles; having equal tension
   synonyms:

   tense

   in or of a state of physical or nervous tension
2. adjective

   of or involving muscular contraction in which tension is constant while length changes
   antonyms:

   isometric

   of or involving muscular contraction in which tension increases while length remains constant
3. adjective

   (used of solutions) having the same or equal osmotic pressure
   synonyms: isosmotic

   antonyms:

   hypertonic

   (of a solution) having a higher osmotic pressure than a comparison solution

   hypotonic

   (of a solution) having a lower osmotic pressure than a comparison solution
4. adjective

   relating to or characterized by the equal intervals of a musical scale
   “isotonic tuning”