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xenobiotic

[ zen-uh-bahy-ot-ik, -bee-, zee-nuh- ]
/ ˌzɛn ə baɪˈɒt ɪk, -bi-, ˌzi nə- /
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noun
a chemical or substance that is foreign to an organism or biological system.
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Origin of xenobiotic

First recorded in 1915–20; xeno- + biotic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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