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.
By removing carrion from the environment, vultures contribute to nutrient recycling and keep contaminants from festering in soil and water. Jack Knudson, Discover Magazine, 9 May 2025 All those contaminants came from a mixture created by the researchers specifically for the test. ArsTechnica, 7 May 2025 Independent testing confirms that the supplement contains the ingredients listed on the label and is free from harmful contaminants. Lauren O'Connor, Health, 7 May 2025 The Federal Emergency Management Agency decided to not follow past practice of testing the soil after disasters for contaminants. James Rainey, Los Angeles Times, 20 Apr. 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 25 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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