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.
Masks and disposable head-to-toe coverall suits act as a barrier against the dangerous contaminants. Noah Haggerty, Los Angeles Times, 22 May 2025 The team aims to identify solutions to mitigate or eliminate environmental contaminants and risks through not only physical building improvements, but also by providing families and property owners and managers with tools and resources to create healthier spaces. Lizzie Kane, Chicago Tribune, 21 May 2025 Tattoo procedures inherently involve breaking the skin barrier, which heightens the risk of infection from any contaminants introduced during inking, according to the FDA. Anna Skinner, MSNBC Newsweek, 9 May 2025 Once that was done, the researchers started looking through the genomes of species that have been identified as breaking down industrial contaminants. ArsTechnica, 7 May 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 28 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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