contaminant

noun

con·​tam·​i·​nant kən-ˈta-mə-nənt How to pronounce contaminant (audio)
Synonyms of contaminantnext
: something that contaminates

Examples of contaminant in a Sentence

a filter to remove contaminants from the drinking water
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That will be followed by an extensive remediation effort on the rest of the property, beginning in 2028, to remove coal ash and other contaminants left over from decades of industrial use. John Moritz, Hartford Courant, 21 Feb. 2026 Health benefits of house burping House burping can help remove contaminants such as carbon dioxide buildup, dust, allergens and gases from cleaning products and air fresheners from the home. Alex Perry, Cincinnati Enquirer, 19 Feb. 2026 The testing also found evidence of pesticides and contaminants in several of the products, including a carcinogen used in paint stripper that is restricted in cannabis in other states. Gina Lee Castro, jsonline.com, 19 Feb. 2026 According to the recall notice, the FDA sampled the baby food using its Total Diet Study tool, which monitors levels of nutrients – and contaminants – in foods people eat across the United States. Saleen Martin, USA Today, 18 Feb. 2026 See All Example Sentences for contaminant

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of contaminant was in 1922

Browse Nearby Words

Cite this Entry

“Contaminant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contaminant. Accessed 25 Feb. 2026.

Kids Definition

contaminant

noun
con·​tam·​i·​nant kən-ˈtam-ə-nənt How to pronounce contaminant (audio)
: something that contaminates

Medical Definition

contaminant

noun
con·​tam·​i·​nant kən-ˈtam-ə-nənt How to pronounce contaminant (audio)
: something that contaminates

More from Merriam-Webster on contaminant

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