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.
The study, recently published in the journal Environmental Pollution, has pinpointed mining operations in the Pacific Northwest as the source of contaminants. Jack Knudson, Discover Magazine, 2 Apr. 2025 State lawmakers also set aside $15 million in grant money to help pay for ridding buildings of contaminants such as asbestos and razing dozens of structures. Mike Nolan, Chicago Tribune, 27 Mar. 2025 The highest concentrations of contaminants were found on the west side of the training facility, and the lowest level of contaminants were found 400 feet from the site’s training tower, according to the report. Kyle Martin, The Mercury News, 25 Mar. 2025 The formulas are being examined for the presence of contaminants like arsenic, cadmium, lead and mercury. Dan Perry, Newsweek, 18 Mar. 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 9 Apr. 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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