Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: Alzheimer's disease
  1. 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
    - Alzheimer's, Alzheimers

Type of: presenile dementia

Encyclopedia: Alzheimer's disease