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

• marshier
• marshiest
• marshiness
• marshinesses
• marshland
• marshlander
• marshlanders
• marshlands
• marshlocks
• marsh-mallow
• marshmallow
• marsh-mallows
• marshmallows
• marsh-man
• marsh marigold
• marsh marigolds
• marsh-men
• marsh-robin
• marsh-robins
• marsh-samphire
• marsh tit
• marsh tits
• marsh warbler
• marsh warblers
• marshwort