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.
First, a recent independent study tested Girl Scout Cookies for contaminants and claimed to have found traces of glyphosate and lead. Stephanie Gravalese, Forbes, 26 Feb. 2025 Among those affected were employees reviewing data on novel animal medicines and working to ensure that pet food and animal feed were free of contaminants. Emily Anthes, New York Times, 26 Feb. 2025 Pacific Palisades residents who have been unable to safely use their tap water due to carcinogens in the system have a new tool to track their utility’s progress in flushing out the contaminants. Karen Garcia, Los Angeles Times, 26 Feb. 2025 The company also tests for contaminants, pesticides, and heavy metals in its products. Sydney Cella, CNBC, 24 Feb. 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 5 Mar. 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
Love words? Need even more definitions?

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