English Dictionary

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isotonic (ˌaɪsəʊˈtɒnɪk Pronunciation for isotonic



  1. (physiology) (of two or more muscles) having equal tension
  2. (of a drink) designed to replace the fluid and salts lost from the body during strenuous exercise
  3. Also: isosmotic. (of two solutions) having the same osmotic pressure, commonly having physiological osmotic pressure Compare hypertonic, hypotonic
  4. (music) of, relating to, or characterized by the equal intervals of the well-tempered scale   ⇒ isotonic tuning

Derived Forms

isotonicity (ˌaɪsəʊtəʊˈnɪsɪtɪ Pronunciation for isotonicity  noun


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