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contaminant

[kuh n-tam-uh-nuh nt] /kənˈtæm ə nənt/
noun
1.
something that contaminates.
Origin of contaminant
1920-1925
1920-25; < Latin contāminant- (stem of contāmināns), present participle of contāmināre. See contaminate, -ant
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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Historical Examples
  • If you have a—a contaminant on board your ship, sir, it didn't come from the Lancet.

    Contamination Crew Alan Edward Nourse

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