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xenobiotic

[zen-uh-bahy-ot-ik, -bee-, zee-nuh-]
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noun
  1. 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. 2018
xenobiotic in Medicine

xenobiotic

(zĕn′ə-bī-ŏt′ĭk, zē′nə-)
adj.
  1. Foreign to the body or to living organisms. Used of chemical compounds.
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n.
  1. A xenobiotic chemical.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.