xenobiotic

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

xen·o·bi·ot·ic

[zen-uh-bahy-ot-ik, -bee-, zee-nuh-]
noun
a chemical or substance that is foreign to an organism or biological system.

Origin:
1915–20; xeno- + biotic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Xenobiotic has a plethora of syllables.
So is cyclotrimethylenetrinitramine. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells.
American Heritage
Medical Dictionary

xenobiotic xen·o·bi·ot·ic (zěn'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.
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