Breadcrumb Home > Dictionary > Index D decontaminate: Meaning and Definition of Find definitions for: de•con•tam•i•nate Pronunciation: (dē"kun-tam'u-nāt"), [key] — -nated, -nat•ing. to make (an object or area) safe for unprotected personnel by removing, neutralizing, or destroying any harmful substance, as radioactive material or poisonous gas. to make free of contamination; purify: to decontaminate a sickroom. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: decontaminate (Thesaurus) deconstruction decontrol TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: antiphon Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language