ˈwilsənz-ˌ noun
Usage: usually capitalized W
Etymology: after Samuel A.K. Wilson died 1937 English neurologist
: a hereditary disease that is characterized by the accumulation of copper in the body (as in the liver or brain) due to abnormal copper metabolism associated with ceruloplasmin deficiency, that is determined by an autosomal recessive gene, and that is marked especially by liver dysfunction and disease and neurologic and psychiatric symptoms (as tremors, slowness of speech, inappropriate behaviors, or personality changes)