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.

Origin of xenobiotic

First recorded in 1915–20; xeno- + biotic

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.