The definition of Alzheimer's disease is a progressive, irreversible mental condition characterized by loss of memory, agitation, and lack of mental stability which leads to severe dementia.(noun)
An example of someone who had Alzheimer's disease was Barry Goldwater.
See Alzheimer's disease in Webster's New World College Dictionary
Origin: after A. Alzheimer (1864-1915), Ger physician who first described it
See Alzheimer's disease in American Heritage Dictionary 4
Origin: After Alois Alzheimer (1864-1915), German neurologist.
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