Antonyms of adj isotonic

3 of 4 senses of isotonic

Sense 1
isotonic (vs. hypertonic) (vs. hypotonic), isosmotic -- ((used of solutions) having the same or equal osmotic pressure)

hypertonic (vs. hypotonic) (vs. isotonic) -- ((of a solution) having a higher osmotic pressure than a comparison solution)
hypotonic (vs. isotonic) (vs. hypertonic) -- ((of a solution) having a lower osmotic pressure than a comparison solution)

Sense 3
isotonic (vs. isometric) -- (of or involving muscular contraction in which tension is constant while length changes)

isometric (vs. isotonic) -- (of or involving muscular contraction in which tension increases while length remains constant)

Sense 4
isotonic -- (of two or more muscles; having equal tension)

INDIRECT (VIA tense) -> relaxed -- (without strain or anxiety; "gave the impression of being quite relaxed"; "a relaxed and informal discussion")

Similarity of adj isotonic

4 senses of isotonic

Sense 1
isotonic (vs. hypertonic) (vs. hypotonic), isosmotic -- ((used of solutions) having the same or equal osmotic pressure)

Sense 2
isotonic -- (relating to or characterized by the equal intervals of a musical scale; "isotonic tuning")

Sense 3
isotonic (vs. isometric) -- (of or involving muscular contraction in which tension is constant while length changes)

Sense 4
isotonic -- (of two or more muscles; having equal tension)
       => tense (vs. relaxed) -- (in or of a state of physical or nervous tension)

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