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contaminant

[kuh n-tam-uh-nuh nt]
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noun
  1. something that contaminates.

Origin of contaminant

1920–25; < Latin contāminant- (stem of contāmināns), present participle of contāmināre. See contaminate, -ant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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