as in contamination
something that is or that makes impure
a filter to remove contaminants from the drinking water
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Recent Examples of contaminant
Avoid soaps that are labeled antibacterial or that contain environmental contaminants like parabens, phthalates, or triclosan.
—
Brandee Gruener, Southern Living, 11 Apr. 2026
Many samples taken from incoming mail have contaminants on the paper or in the ink, Walsh said.
—Holly Yan, CNN Money, 5 Apr. 2026
For the first time, the Environmental Protection Agency is adding these microplastics to a list of drinking water contaminants the agency is considering for future regulation.
—Erika Edwards, NBC news, 2 Apr. 2026
In all, lining up the funding to thoroughly remove asbestos, PCBs and other contaminants from the three primary mills — Daniel’s, Amerbelle and Anocoil — and two smaller connected buildings has taken a decade.
—Don Stacom, Hartford Courant, 2 Apr. 2026
See All Example Sentences for contaminant
Brandee Gruener, Southern Living, 11 Apr. 2026
Many samples taken from incoming mail have contaminants on the paper or in the ink, Walsh said.
—Holly Yan, CNN Money, 5 Apr. 2026
For the first time, the Environmental Protection Agency is adding these microplastics to a list of drinking water contaminants the agency is considering for future regulation.
—Erika Edwards, NBC news, 2 Apr. 2026
In all, lining up the funding to thoroughly remove asbestos, PCBs and other contaminants from the three primary mills — Daniel’s, Amerbelle and Anocoil — and two smaller connected buildings has taken a decade.
—Don Stacom, Hartford Courant, 2 Apr. 2026
See All Example Sentences for contaminant
Recent Examples of Synonyms for contaminant
Noun
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Water testing in October 2017 showed possible contamination in the water faucets, Gross said.—
Judy L. Thomas,
Kansas City Star,
20 Apr. 2026
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According to reports, while no major damage has been confirmed so far, the next 48 hours will be critical as manufacturers inspect cleanrooms, recalibrate sensitive lithography equipment, and assess whether operations can safely resume without risking yield losses or contamination.—
Georgina Jedikovska,
Interesting Engineering,
20 Apr. 2026
Noun
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Health dangers of pollution Ozone and particle pollution are considered two of the most widespread and dangerous pollutants measured by the US Environmental Protection Agency.—
Jen Christensen,
CNN Money,
22 Apr. 2026
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Trees and plants sequester carbon dioxide from the atmosphere, filter pollutants from the air and reduce urban temperatures through shade, according to The Nature Conservancy.—
Julia Jacobo,
ABC News,
22 Apr. 2026
Cite this Entry
“Contaminant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/contaminant. Accessed 27 Apr. 2026.
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