osmosis: Meaning and Definition of
Pronunciation: (oz-mō'sis, os-), [key]
- the tendency of a fluid, usually water, to pass through a semipermeable membrane into a solution where the solvent concentration is higher, thus equalizing the concentrations of materials on either side of the membrane.
- the diffusion of fluids through membranes or porous partitions. Cf.endosmosis, exosmosis.
- a subtle or gradual absorption or mingling: He never studies but seems to learn by osmosis.
- osmosis (Thesaurus)