/ Dictionary / Index M millifarad: Meaning and Definition of Find definitions for: mil•li•far•ad Pronunciation: (mil'u-far"ud, -ad), [key] — n. Elect. a unit of capacitance, equal to one thousandth of a farad. Abbr.: mF, mf Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: millifarad (Thesaurus) millier milligal Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language