isotonic /ī-sō-tonˈik/

1. Having the same tone, tension or osmotic pressure
2. (of muscular contraction) shortening the muscle fibres and moving a joint
3. (of an energy drink) containing salts and minerals of the same concentration as in the body

isotonicˈity noun

• moths
• mothy
• motier
• motiest
• motif
• motifs
• motile
• motiles
• motilities
• motility
• MOT'ing
• motion
• motional
• motion capture
• motioned
• motion generative
• motioning
• motionist
• motionists
• motionless
• motionlessly
• motion-man
• motion-men
• motion picture
• motion pictures