Alzheimers

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a progressive form of presenile dementia that is similar to senile dementia except that it usually starts in the 40s or 50s;
first symptoms are impaired memory which is followed by impaired thought and speech and finally complete helplessness
• Syn:
Alzheimer's disease, Alzheimer's
• Hypernyms:
presenile dementia