Breadcrumb Home > Dictionary > Index E elutriator: Meaning and Definition of Find definitions for: e•lu•tri•a•tor Pronunciation: (i-l'trē-ā"tur), [key] — n. a machine for separating particles of mineral by elutriation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. elutriate eluvial ✖ Related Content Daily Word Quiz: musth Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language