/ Dictionary / Index M methyl formate: Meaning and Definition of Find definitions for: meth'yl for'mate Pronunciation: [key] a colorless, water-soluble, flammable liquid, CHO, used chiefly in organic synthesis and as a solvent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. methyl ethyl ketone methylglyoxal Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language