[{"Bold_text": "adjective", "List Items": ["Also Physical Chemistry.noting or pertaining to solutions characterized by equal osmotic pressure.Compare hypertonic(def2) hypertonic(def2), hypotonic(def2) hypotonic(def2).", "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.", "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.of or characterized by equal tones."]}]