environmental contaminant
Any minor or unwanted substance introduced into the environment that can have undesired effects.
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xenobiotic
A xenobiotic (Greek, xenos "foreign"; bios "life") is a compound that is foreign to a living organism. Principal xenobiotics include: drugs, carcinogens and various compounds that have been introduced into the environment by artificial means.
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insecticide
Strictly, a substance intended to kill members of the class Insecta. In common usage, any substance used for preventing, destroying, repelling or controlling insects.
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N-(cyanomethyl)-4-(trifluoromethyl)nicotinamide
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