/ Dictionary / Index S Sulfamylon: Meaning and Definition of Find definitions for: Sul•fa•my•lon Pronunciation: (sul"fu-mī'lon), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of mafenide acetate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sulfamethoxazole sulfanilamide Related Content Daily Word Quiz: voracious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language