释义 |
ra·oult's law \räˈülz-\ noun Usage: usually capitalized R Etymology: after François M. Raoult died 1901 French chemist : a law in physical chemistry: the fraction by which the vapor pressure of a liquid is lowered when a small amount of a substance that is nonvolatile, not dissociable, and usually not a high polymer is dissolved in it is equal to the mole fraction of the solute — compare ideal solution |