Alz ‧ heim ‧ er’s dis ‧ ease /ˈæltshaɪməz dɪˌziːz $ -ərz-/ BrE AmE ( also Alzheimer’s ) noun [uncountable]
[ Date: 1900-2000 ; Origin: Alois Alzheimer (1864-1915), German medical scientist ]
a disease that affects the brain, especially of old people, and that gradually makes it difficult to move, talk, or remember things SYN dementia