Dictionary
psy•cho•pa•thol•o•gy
Pronunciation: (sī"kō-pu-thol'u-jē), [key]—
n.
1. the science or study of mental disorders.
2. the conditions and processes of a mental disorder.
3. a pathological deviation from normal or efficient behavior; psychosis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.