n. The establishment of a cause, origin, or reason for something.
n. The study of causes or causation.
n. The study or investigation of the causes of disease; a scientific explanation for the origin of a disease.
the GNU version of the Collaborative International Dictionary of English
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.
The Century Dictionary and Cyclopedia
n. An inquiry into or a theory of the physical causes of any class of phenomena.
n. Specifically, in medicine, an inquiry into or account of the origin or causes of disease, or of a particular kind or case of disease. Sometimes written aitiology.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the philosophical study of causation
n. the cause of a disease
Word Usage
"Collinge J, Sidle KCL, Meads J, et al. Molecular analysis of prion strain variation and the aetiology of ‘new variant’ CJD."