/ Dictionary / Index M micronucleate: Meaning and Definition of Find definitions for: mi•cro•nu•cle•ate Pronunciation: (mī"krō-n'klē-it, -āt", -ny'-), [key] — adj. Biol. having a micronucleus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Micronesian micronucleus Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language