Dictionary
e•ti•ol•o•gy
Pronunciation: (ē"tē-ol'u-jē), [key]—
n.,
—pl. -gies.
1. Pathol.
a. the study of the causes of diseases.
b. the cause or origin of a disease.
2. the study of causation.
3. any study of causes, causation, or causality, as in philosophy, biology, or physics.
Also,aetiology.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.