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

• self-perpetuation
• self-pious
• self-pity
• self-pitying
• self-pityingly
• self-planted
• self-pleasing
• self-poised
• self-pollinated
• self-pollination
• self-pollution
• self-portrait
• self-portraits
• self-portraiture
• self-portraitures
• self-possessed
• self-possession
• rewrites
• rewriting
• rewritten
• rewrote
• rewth
• rex
• Rex
• Rex cat