contaminant

noun

con·​tam·​i·​nant kən-ˈta-mə-nənt How to pronounce contaminant (audio)
: 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.
Product Quality: Choose products from reputable sources that provide third-party lab testing to ensure accurate dosing and the absence of contaminants. Matt Rozo, Mercury News, 23 Apr. 2025 Even later, in the 1860s, the British surgeon Joseph Lister introduced the first sterile silk sutures, cleaned of contaminants using a solution of carbolic acid. Amy Paturel, Discover Magazine, 22 Apr. 2025 After 2018’s Camp fire in Paradise, testing on 12,500 properties revealed that nearly one-third still contained dangerous levels of contaminants even after those first 6 inches of topsoil were removed. Corinne Purtill, Los Angeles Times, 17 Apr. 2025 Gerbera daisy The decorative plant isn’t just a flowering cutie but a powerful eliminator of contaminants. Rebecca Torres, USA Today, 16 Apr. 2025 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 4 May. 2025.

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

Last Updated: - Updated example sentences
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