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Dictionary

psy•cho•chem•i•cal

Pronunciation: (sī"kō-kem'i-kul), [key]
—adj.
pertaining to chemicals or drugs that affect the mind or behavior.

—n.
any such substance, esp. when used as a chemical warfare agent.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

psychobiology

psychodelic

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