Trouton's rule

noun

Trou·​ton's rule

ˈtrau̇tᵊnz-

: a statement in physical chemistry: the molar heats of vaporization of pure liquids are proportional to the absolute temperatures of their boiling points

Word History

Etymology

after Frederick T. Trouton †1922 English physicist

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!