Dictionary
psy•cho•tro•pic
Pronunciation: (sī"kō-trō'pik), [key]—
adj.
affecting mental activity, behavior, or perception, as a mood-altering drug.
—
n.
a psychotropic drug, as a tranquilizer, sedative, or antidepressant.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.