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contaminant

[kuh n-tam-uh-nuh nt] /kənˈtæm ə nənt/
noun
1.
something that contaminates.
Origin
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. 2014.
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Examples from the web for contaminant
  • Some scientists suspect the hemoglobin is a contaminant.
  • contaminant control is intractable only if the bio reactor is open to the outside air and water supply, as in a pond.
  • They are also moved as a contaminant in hay, grain, straw, and machinery.

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