01 n. The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and deve…
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1.
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.
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2.
The assignment of a cause.
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3.
The cause or origin of a disease. Now more commonly written etiology.(Med.)