contamination

noun

con·​tam·​i·​na·​tion kən-ˌta-mə-ˈnā-shən How to pronounce contamination (audio)
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 Researchers have dedicated years to unveiling the severity and effects of contamination. Alexandra Mendoza, San Diego Union-Tribune, 21 Apr. 2024 Those would typically involve a public declaration that the athletes in question were being temporarily suspended pending further investigation, particularly if a finding of food contamination had not yet been established. Tariq Panja, New York Times, 20 Apr. 2024 The hours-long testimony on evidence handling came after days of questioning by the defense that focused on whether evidence was legally obtained, protected from contamination and provided to Elders’ attorneys before the trial. James Hartley, Fort Worth Star-Telegram, 18 Apr. 2024 Depending on what additional contamination is found, the amount paid out will range from $10.5 billion to $12.5 billion, officials said. Mary Divine, Twin Cities, 18 Apr. 2024 Although the levels varied, the contamination was across the state. Stephanie Hanes, The Christian Science Monitor, 18 Apr. 2024 Since eggshell calcite is a closed system, stable isotope ratios in their amino acids are more likely to come directly from the dinosaur, rather than outside contamination. Evan Thomas Saitta, Discover Magazine, 12 Apr. 2024 Water providers will now be forced to remove contamination put in the environment by other industries. Democrat-Gazette Staff From Wire Reports, arkansasonline.com, 11 Apr. 2024 Another lawsuit awarded $10.5 billion to $12.5 billion, depending on the level of contamination found, to public water systems across the country through 2036. Aria Bendix, NBC News, 10 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'contamination.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English contaminacioun, borrowed from Latin contāminātiōn-, contāminātiō "defilement, pollution," from contāmināre "to defile, pollute" + -tiōn-, -tiō, suffix of verbal action — more at contaminate

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of contamination was in the 15th century

Dictionary Entries Near contamination

Cite this Entry

“Contamination.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contamination. Accessed 25 Apr. 2024.

Medical Definition

contamination

noun
con·​tam·​i·​na·​tion kən-ˌtam-ə-ˈnā-shən How to pronounce contamination (audio)
1
: a process of contaminating : a state of being contaminated
2
: something that contaminates
Last Updated: - Updated example sentences
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