xenobiotic

[zen-uh-bahy-ot-ik, -bee-, zee-nuh-]

noun

a chemical or substance that is foreign to an organism or biological system.

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.

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.