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

• chiefless
• chiefling
• chieflings
• chiefly
• chief of staff
• chief petty officer
• chief petty officers
• chiefries
• chiefry
• chiefs
• chiefship
• chiefships
• chieftain
• chieftaincies
• chieftaincy
• chieftainess
• chieftainries
• chieftainry
• chieftains
• chieftainship
• chieftainships
• chief technician
• chief technicians
• chiel
• chield