Breadcrumb Home > Dictionary > Index D Dilantin: Meaning and Definition of Find definitions for: Di•lan•tin Pronunciation: (dī-lan'tn, -tin, di-), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of diphenylhydantoin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dilantin (Thesaurus) dilaceration dilapidate TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: voxpopuli Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language