Definition of Alzheimer’s disease noun from the Oxford Advanced Learner's Dictionary


Alzheimer’s disease

BrE BrE//ˈæltshaɪməz dɪziːz//
; NAmE NAmE//ˈæltshaɪmərz dɪziːz//
(also Alzheimer’s) [uncountable] Old age
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a serious disease, especially affecting older people, that prevents the brain from functioning normally and causes loss of memory, loss of ability to speak clearly, etc. compare senile dementia See related entries: Old age Word Originearly 20th cent.: named after Alois Alzheimer (1864–1915), the German neurologist who first identified it.
See the Oxford Advanced American Dictionary entry: Alzheimer’s disease