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.
Experts credit more sensitive testing technology to detect contaminants in many household food products. Nicole Fallert, USA TODAY, 17 Mar. 2025 Samples go through a thorough treatment to remove as much contamination as possible, but contaminants still occasionally remain after this process. Jack Knudson, Discover Magazine, 10 Mar. 2025 All of these contaminants can also be harmful to wildlife, which unlike most of us, do rely on untreated water. Benji Jones, Vox, 10 Mar. 2025 Many species take dust baths to clean themselves — what if that dust is full of contaminants too? Found dead birds are often donated to the museum, and Shultz was braced for an influx of new specimens as the fires raged. Corinne Purtill, Los Angeles Times, 7 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 4 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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