decontaminate
Americanverb (used with object)
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to make (an object or area) safe for unprotected personnel by removing, neutralizing, or destroying any harmful substance, as radioactive material or poisonous gas.
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to make free of contamination; purify.
to decontaminate a sickroom.
verb
Other Word Forms
- decontaminant noun
- decontamination noun
- decontaminative adjective
- decontaminator noun
Etymology
Origin of decontaminate
First recorded in 1935–40; de- + contaminate
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One email asked whether clinics could decontaminate rooms where people with measles had just been if the clinics were too small to follow the CDC’s recommendation to keep those rooms empty for two hours.
From Salon • Aug. 26, 2025
That’s sent water treatment operators scrambling to find ways to decontaminate water supplies without breaking the bank.
From Science Magazine • Nov. 20, 2024
Finding better ways to decontaminate soil is critical for improved disaster readiness, making it a national security priority, Deng said.
From Science Daily • Oct. 17, 2023
She says if you don't, it will become more "heavily contaminated" and then harder to decontaminate in the wash.
From BBC • Sep. 9, 2023
They want our planets, and they didn't want to have to decontaminate them when they took them over.
From Shock Absorber by Dongen, H. R. van
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
