noun🔗ShareLa pression osmotiqueThe hydrostatic pressure exerted by a solution across a semipermeable membrane from a pure solvent; the pressure needed to counteract osmosis."The osmotic pressure in the plant cells keeps the lettuce crisp by preventing water from flowing out into the surrounding air. "La pression osmotique dans les cellules végétales maintient la laitue croquante en empêchant l'eau de s'écouler dans l'air ambiant.physiologyphysicschemistrybiologybiochemistryscienceChat with AIVocabulary GamePractice Reading