/ Dictionary / Index M microform: Meaning and Definition of Find definitions for: mi•cro•form Pronunciation: (mī'kru-fôrm"), [key] — n. any form, either film or paper, containing microreproductions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. microflora microfossil Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language