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

• schizomycete
• schizomycetes
• Schizomycetes
• schizomycetic
• schizomycetous
• shirt studs
• shirt tail
• shirt tails
• shirtwaist
• shirtwaister
• shirtwaisters
• shirtwaists
• shirty
• shisha
• shisha pipe
• shishas
• shish kebab
• shish kebabs
• shit
• shit a brick
• shite
• shited
• shites
• shitface
• shitfaced