Breadcrumb Home > Dictionary > Index D DPT: Meaning and Definition of Find definitions for: DPT Pronunciation: [key] diphtheria, pertussis, and tetanus: a mixed vaccine of formalin-inactivated diphtheria and tetanus toxoids and pertussis vaccine, used for primary immunization. dpt. Pronunciation: [key] department. deponent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. D.P.S. D.P.W. TrendingHere are the facts and trivia that people are buzzing about. The Book of 1 Corinthians: Summary Current Events This Week: June 2023 Languages Spoken in Each Country of the World Aesop's Fables: Aesop's Fables Milestones in Environmental Protection The 12 Labors of Hercules (In Order) ✖ Related Content Daily Word Quiz: concatenate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language