/ Dictionary / Index M methyl chloroformate: Meaning and Definition of Find definitions for: meth'yl chlo•ro•form'ate Pronunciation: (klôr"u-fôr'mit, -māt, klōr"-), [key] — Chem. Chem. a colorless liquid, CHClO, used chiefly in organic synthesis. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. methyl chloride methyl cyanide Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language