/ Dictionary / Index M microcurie: Meaning and Definition of Find definitions for: mi•cro•cu•rie Pronunciation: (mī'kru-kyoor"ē, mī"krō-kyoo-rē'), [key] — n. Physics, Chem. a unit of radioactivity, equal to one millionth of a curie; 3.70 × 10 disintegrations per second. Symbol: &mgr;Ci, &mgr;c Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. microculture microcyte Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language