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Raoult's law Line breaks: Raoult's law
Pronunciation: /ˈraʊlz/
/raˈuːlz/ /ˈraʊlts/

Entry from British & World English dictionary

Definition of Raoult's law in English:


1A law stating that the freezing and boiling points of an ideal solution are respectively depressed and elevated relative to that of the pure solvent by an amount proportional to the mole fraction of solute.
Example sentences
  • Dilute solutions generally conform to Raoult's law with reasonable accuracy, but as their concentrations increase they deviate further and further from it.
1.1A law stating that the vapour pressure of an ideal solution is proportional to the mole fraction of solvent.


Late 19th century: named after François-Marie Raoult (1830–1901), French chemist.

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