contamination
noun
con·tam·i·na·tion
kən-ˌta-mə-ˈnā-shən 
1
: a process of contaminating : a state of being contaminated
2
Examples of contamination in a Sentence
swimming in the lake is banned until the contamination is identified and neutralized
Recent Examples on the Web
Many of her neighbors developed fatal illnesses and other disorders later linked to the contamination.
—
Elisabeth Brier, Forbes.com, 18 Sep. 2025
Pumping could also lead to contamination of onshore aquifers if the two systems are connected, Attias said.
—Laura Paddison, CNN Money, 17 Sep. 2025
Mexico has threatened to sue over debris and potential environmental contamination crossing over the border.
—Taylor Kate Brown, ProPublica, 17 Sep. 2025
Accelerometers pick up bearing wear, infrared cameras flag overheated motors, ultrasonic microphones catch leaks, and oil sensors detect contamination.
—Srishti Gupta, Interesting Engineering, 16 Sep. 2025
See All Example Sentences for contamination
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Elisabeth Brier, Forbes.com, 18 Sep. 2025
Pumping could also lead to contamination of onshore aquifers if the two systems are connected, Attias said.
—Laura Paddison, CNN Money, 17 Sep. 2025
Mexico has threatened to sue over debris and potential environmental contamination crossing over the border.
—Taylor Kate Brown, ProPublica, 17 Sep. 2025
Accelerometers pick up bearing wear, infrared cameras flag overheated motors, ultrasonic microphones catch leaks, and oil sensors detect contamination.
—Srishti Gupta, Interesting Engineering, 16 Sep. 2025
See All Example Sentences for contamination
Cite this Entry
“Contamination.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contamination. Accessed 23 Sep. 2025.
Copy CitationMedical Definition
contamination
noun
con·tam·i·na·tion
kən-ˌtam-ə-ˈnā-shən
1
: a process of contaminating : a state of being contaminated
2
: something that contaminates
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