| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024i•so•ton•ic (ī′sə ton′ik),USA pronunciation adj. - ChemistryAlso, isosmotic. [Physical Chem.]noting or pertaining to solutions characterized by equal osmotic pressure. Cf. hypertonic (def. 2), hypotonic (def. 2).
- Physiology
- noting or pertaining to a solution containing the same salt concentration as mammalian blood.
- noting or pertaining to a muscular contraction in which constant tension continues while the length of the muscle decreases, as during mechanical work.
- Music and Danceof or characterized by equal tones.
- Greek isóton(os) having equal accent or tone (see iso-, tone) + -ic
- 1820–30;
Collins Concise English Dictionary © HarperCollins Publishers:: isotonic /ˌaɪsəʊˈtɒnɪk/ adj - (of two or more muscles) having equal tension
- (of a drink) designed to replace the fluid and salts lost from the body during strenuous exercise
Also: isosmotic (of two solutions) having the same osmotic pressure, commonly having physiological osmotic pressure
Compare hypertonic, hypotonic
isotonicity /ˌaɪsəʊtəʊˈnɪsɪtɪ/ n |