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

• lungwort
• lungworts
• lunisolar
• lunisolar calendar
• lunisolar year
• lunitidal
• lunitidal interval
• lunk
• lunker
• lunkers
• lunkhead
• lunkheads
• lunks
• lunt
• lunted
• lunting
• lunts
• lunula
• lunulae
• lunular
• lunulate
• lunulated
• lunule
• lunules
• lunyie