/ Dictionary / Index M methoxyflurane: Meaning and Definition of Find definitions for: meth•ox•y•flu•rane Pronunciation: (me-thok"sē-floor'ān), [key] — n. Pharm. a potent substance, CHClFO, used as an analgesic in minor surgical procedures and less frequently as a general anesthetic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. methoxychlor methoxy group Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language