contaminant

[ kuhn-tam-uh-nuhnt ]

/ kənˈtæm ə nənt /

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See synonyms for: contaminant / contaminants on Thesaurus.com

Definition of contaminant

noun

something that contaminates.

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1920–25; <Latin contāminant- (stem of contāmināns), present participle of contāmināre.See contaminate, -ant

Don’t pull the mask down over your chin or leave it hanging by only one of the ear loops—this may expose the inside of your mask to contaminants that will end up right next to your nose and mouth when you put the mask on again.
Why you shouldn’t ever wear your mask around your neck|Erin Fennessy|February 11, 2021|Popular-Science
A porous filter onboard ensures that odors and particulate contaminants are removed from your water before being distributed, which further aids the health benefits of this unit.
The best, most practical Valentine’s Day gifts for any kind of partner|PopSci Commerce Team|February 8, 2021|Popular-Science
“We acknowledge that there is more work to be done,” the FDA said in a statement, “but the FDA reiterates its strong commitment to continue to reduce consumer exposure to toxic elements and other contaminants from food.”
New report finds toxic heavy metals in popular baby foods. FDA failed to warn consumers of risk.|Laura Reiley|February 4, 2021|Washington Post
The major plus of an evaporative humidifier is the function of the filter, which keeps mineral scale and other contaminants from being diffused and distributed into your air.
The best humidifier: Fight dry air (and a dry nose) all winter long|PopSci Commerce Team|January 15, 2021|Popular-Science

That helps prevent contaminants from getting in even if someone’s long hair, for example, gets caught in the area where it seals against the neck.
Those ‘gas masks’ at the Capitol were actually escape hoods|Rob Verger|January 11, 2021|Popular-Science
If you have a—a contaminant on board your ship, sir, it didn't come from the Lancet.
Contamination Crew|Alan Edward Nourse
A final great contaminant against which weapons are meager is acid mine drainage.
The Nation's River|United States Department of the Interior