/ Dictionary / Index M macroform: Meaning and Definition of Find definitions for: mac•ro•form Pronunciation: (mak'ru-fôrm"), [key] — n. an image or reproduction, as of a document, in a size that permits reading or viewing with the naked eye. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. macroevolution macrofossil Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language