osmotic pressure noun
: the pressure produced by or associated with osmosis and dependent on molar concentration and absolute temperature: as a : the maximum pressure that develops in a solution separated from a solvent by a membrane permeable only to the solvent b : the pressure that must be applied to a solution to just prevent osmosis
Seen & Heard
What made you want to look up osmotic pressure? Please tell us where you read or heard it (including the quote, if possible).