osmotic pressure

Từ điển WordNet v3.1 - WordNet Dictionary

noun

(physical chemistry) the pressure exerted by a solution necessary to prevent osmosis into that solution when it is separated from the pure solvent by a semipermeable membrane (Freq. 3)
• Topics:
physical chemistry
• Hypernyms:
pressure, pressure level, force per unit area
• Hyponyms:
hypertonicity, hypotonicity