/ Dictionary / Index A acetophenetidin: Meaning and Definition of Find definitions for: a•ce•to•phe•net•i•din Pronunciation: (u-sē"tō-fu-net'i-din, as"i-tō-), [key] — n. Pharm. phenacetin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acetophenetidin (Thesaurus) acetonuria acetophenone Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language