xenobiotic

(zen′ō bī ätik, zē′nō-)

adjective

designating or of a chemical substance that is foreign, and usually harmful, to living organisms

Origin: xeno- (sense ) + biotic

noun

such a substance

See xenobiotic in American Heritage Dictionary 4

adjective
Foreign to the body or to living organisms. Used of chemical compounds.
noun
A xenobiotic chemical, such as a pesticide.

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