1 Physiology (of muscle action) taking place with normal contraction.
2 Physiology denoting or relating to a solution having the same osmotic pressure as some other solution, especially one in a cell or a body fluid.
3(of a drink) containing essential salts and minerals in the same concentration as in the body and intended to replace those lost as a result of sweating during vigorous exercise.
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adverb -
Pronunciation:
/-təˈnɪsɪti/
noun
