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mole fraction

American  

noun

Chemistry.

  1. the ratio of the number of moles of a given component of a mixture to the total number of moles of all the components.

Etymology

Origin of mole fraction

First recorded in 1920–25

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.