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Showing results for presenile dementia. Search instead for presenile+dementia.
Synonyms

presenile dementia

British  
/ priːˈsiːnaɪl /

noun

  1. a form of dementia, of unknown cause, starting before a person is old

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012