molality

[ moh-lal-i-tee ]

noun

, Chemistry.

, plural mo·lal·i·ties.

1. the number of moles of solute per kilogram of solvent.

molality

/ mɒˈlælɪtɪ /

noun

1. (not in technical usage) a measure of concentration equal to the number of moles of solute in a thousand grams of solvent

Word History and Origins

Origin of molality¹

First recorded in 1920–25; molal + -ity