contamination

noun
con·​tam·​i·​na·​tion | \ kən-ˌta-mə-ˈnā-shən How to pronounce contamination (audio) \

Definition of contamination

1 : a process of contaminating : a state of being contaminated

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Examples of contamination in a Sentence

swimming in the lake is banned until the contamination is identified and neutralized

Recent Examples on the Web

After three months of painstaking work to clear out hazardous debris and shore up the building, regional French authorities suspended all activity inside the cathedral last month over concerns about lead contamination. Angela Charlton, chicagotribune.com, "Stones fell from Notre Dame’s ceiling after July heat wave," 15 Aug. 2019 After three months of painstaking work to clear out hazardous debris and shore up the building, regional French authorities suspended all activity inside the cathedral last month over concerns about lead contamination. Washington Post, "Stones fell from Notre Dame’s ceiling after July heat wave," 15 Aug. 2019 In addition, last year Claire’s moved to talc-free cosmetic manufacturing to prevent any further concerns about talc contamination. Claudia Harmata, PEOPLE.com, "JoJo Siwa Addresses Makeup Kit Being Recalled for Containing Asbestos: 'It Is Serious to Me'," 16 June 2019 The discoveries have sparked food safety concerns, as some are worried about contamination among the seals. Fox News, "At least 60 ice seals reported dead in Alaska, officials say," 13 June 2019 In addition, last year Claire’s moved to talc-free cosmetic manufacturing to prevent any further concerns about talc contamination. Rania Aniftos, Billboard, "JoJo Siwa's Makeup Tested Positive for Asbestos, Recalled by Claire's," 10 June 2019 In addition, last year Claire’s moved to talc-free cosmetic manufacturing to prevent any further concerns about talc contamination. Carolyn Twersky, Seventeen, "JoJo Siwa’s Claire’s Makeup Kit Was Recalled After the FDA Found Asbestos In It," 10 June 2019 In addition, last year Claire’s moved to talc-free cosmetic manufacturing to prevent any further concerns about talc contamination. Leada Gore | Lgore@al.com, al.com, "JoJo Siwa makeup recall alert: Claire’s palette tested positive for asbestos, FDA says," 10 June 2019 This story was updated to clarify when Governor Snyder found out about the water contamination. The Christian Science Monitor, "Corrections," 4 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'contamination.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of contamination

15th century, in the meaning defined at sense 1

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More Definitions for contamination

contamination

noun
con·​tam·​i·​na·​tion | \ kən-ˌtam-ə-ˈnā-shən How to pronounce contamination (audio) \

Medical Definition of contamination

1 : a process of contaminating : a state of being contaminated
2 : something that contaminates

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