hyperosmotic

adjective
hy·​per·​os·​mot·​ic | \ ˌhī-pə-ˌräz-ˈmät-ik How to pronounce hyperosmotic (audio) \

Medical Definition of hyperosmotic

: hypertonic sense 2 if a laxative is needed, a hyperosmotic preparation…is better than a bowel stimulant— S. E. Goldfinger