xenobiotic

[ zen-uh-bahy-ot-ik, -bee-, zee-nuh- ]
/ ˌzɛn ə baɪˈɒt ɪk, -bi-, ˌzi nə- /

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. 2021

Medical definitions for xenobiotic

xenobiotic
[ zĕn′ə-bī-ŏtĭk, zē′nə- ]

adj.

Foreign to the body or to living organisms. Used of chemical compounds.

n.

A xenobiotic chemical.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.