Breadcrumb Home > Dictionary > Index M millier: Meaning and Definition of Find definitions for: mil•lier Pronunciation: (mēl-yā'), [key] — n. 1000 kilograms; a metric ton. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. milliequivalent millifarad ✖ Related Content Daily Word Quiz: sophism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language