Definition of aetiology

• n. - The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things.
• n. - The assignment of a cause.
• n. - The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things.
• n. - The assignment of a cause.