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.
Consumers are advised to look for faucets compliant with NSF/ANSI Standard 61, which sets limits for the presence of lead and other contaminants in drinking water systems, according to the CPSC. Anna Skinner, MSNBC Newsweek, 29 May 2025 In both the Palisades and Altadena, as soon as the fires were contained, the water companies spent a full week flushing the water lines in an effort to prevent any contaminants from the fires from settling on the bottom of pipes or penetrating into chemically permeable PVC, Olivares said. Ashley Belanger – May 27, ArsTechnica, 27 May 2025 Brownfields are abandoned or underused properties, often industrial or commercial, where redevelopment is complicated because of hazardous substances, pollutants or contaminants in the soil. Stephen Underwood, Hartford Courant, 24 May 2025 Third-party testing confirms that the supplement contains the ingredients listed on the label and is free from harmful contaminants. Merve Ceylan, Health, 21 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 9 Jun. 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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