Dictionary
pa•thol•o•gy
Pronunciation: (pu-thol'u-jē), [key]—
n.,
—pl. -gies.
1. the science or the study of the origin, nature, and course of diseases.
2. the conditions and processes of a disease.
3. any deviation from a healthy, normal, or efficient condition.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.