/ Dictionary / Index L Langmuir: Meaning and Definition of Find definitions for: Lang•muir Pronunciation: (lang'myoor), [key] — n. 1881–1957, U.S. chemist: Nobel prize 1932. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: langmuir (Thesaurus) Langley Langobard Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language