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.
Organizations can reduce the contaminants in the water by 95%, but if the remaining 5% isn’t resolved, private citizens can take civil action against the groups to force them into extremely expensive remediation to meet 100% of the surface water quality standards. John Leos, The Arizona Republic, 12 Dec. 2024 The lawsuit claims the companies knew about the contaminants in the fertilizer and failed to provide adequate warning to their customers. Alejandra Martinez, Austin American-Statesman, 9 Dec. 2024 Because it was so widely used, TCE has also become a significant contaminant in drinking water in the United States. Jen Christensen, CNN, 9 Dec. 2024 These reports will confirm the potency of the CBD and prove that the product is free of harmful contaminants like pesticides, heavy metals, and solvents. Lydia Kariuki, The Mercury News, 3 Dec. 2024 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

Dictionary Entries Near contaminant

Cite this Entry

“Contaminant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contaminant. Accessed 17 Dec. 2024.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!