/ Dictionary / Index M milliampere: Meaning and Definition of Find definitions for: mil•li•am•pere Pronunciation: (mil"ē-am'pēr, -am-pēr'), [key] — n. Elect. a unit of electric current equal to one thousandth of an ampere. Abbr.: mA Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: milliampere (Thesaurus) milliammeter milliard Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language