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
Harvesting waters are regularly monitored for bacteria, algal blooms, and contaminants, and closures are issued quickly when water quality falls below safe thresholds.
—
Bridget Shirvell, Martha Stewart, 9 June 2026
While popular tampons contain chemical and heavy metal contaminants, menstrual cups and discs are typically made from medical grade silicone.
—Alyssa Goldberg, USA Today, 8 June 2026
This year, Consumer Reports tested 49 more formulas and found concerning levels of contaminants in 26 of them.
—Rachel Fobar, Daily News, 7 June 2026
The screens on your windows and doors—though small—can still allow dirt, dust, pollen, and other contaminants inside.
—Ashlyn Needham, Southern Living, 5 June 2026
See All Example Sentences for contaminant
Bridget Shirvell, Martha Stewart, 9 June 2026
While popular tampons contain chemical and heavy metal contaminants, menstrual cups and discs are typically made from medical grade silicone.
—Alyssa Goldberg, USA Today, 8 June 2026
This year, Consumer Reports tested 49 more formulas and found concerning levels of contaminants in 26 of them.
—Rachel Fobar, Daily News, 7 June 2026
The screens on your windows and doors—though small—can still allow dirt, dust, pollen, and other contaminants inside.
—Ashlyn Needham, Southern Living, 5 June 2026
See All Example Sentences for contaminant
Recent Examples of Synonyms for contaminant
Noun
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Left unmanaged, coal waste routinely triggers water contamination, airborne dust pollution, and spontaneous fires.—
Mrigakshi Dixit,
Interesting Engineering,
15 June 2026
-
Farm Rich Pizza Cheese Crunchers, sold at retailers like Walmart and Kroger, were initially pulled from shelves in May due to potential metal contamination.—
Jenna Anderson,
Health,
15 June 2026
Noun
-
Murray was one of the founding members of People in Need of Environmental Safety (PINES), a local advocacy group, which has pushed NIPSCO to mitigate and properly test for arsenic levels and other pollutants linked to coal ash disposal.—
Christiana Freitag,
Chicago Tribune,
13 June 2026
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Trump has touted coal as clean in the past, but experts say coal emits carbon dioxide, a greenhouse gas, and several other pollutants.—
Julia Jacobo,
ABC News,
12 June 2026
Cite this Entry
“Contaminant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/contaminant. Accessed 20 Jun. 2026.
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