Medical Definition of dementia
: a usually progressive condition (as Alzheimer's disease) marked by the development of multiple cognitive deficits (as memory impairment, aphasia, and inability to plan and initiate complex behavior)
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Dictionary: Definition of "dementia" Thesaurus: All synonyms and antonyms for "dementia" Spanish Central: Translation of "dementia" Nglish: Translation of "dementia" for Spanish speakers Britannica English: Translation of "dementia" for Arabic speakers Britannica.com: Encyclopedia article about "dementia"
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