Etiology: The study of causes, as in the causes of a disease.

What does etiology mean in medical term?

(EE-tee-AH-loh-jee) The cause or origin of disease.

What are examples of etiology?

When a cause of a disease is determined, this is called its etiology. For example, the etiology of cholera is known to be a bacterium that contaminates food and drinking water in places with poor sanitation.