Definition of dementia praecox in English:

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dementia praecox

Pronunciation: /dəˌmen(t)SHə ˈprēˌkäks/


Dated term for schizophrenia.
Example sentences
  • Emil Kraepelin proposed links between dementia praecox and hormones in 1892.
  • Schizophrenia, which used to be called early dementia or dementia praecox, is a devastating mental illness.
  • Among the illnesses he described were manic-depression and dementia praecox, a disorder renamed schizophrenia (split mind) by the Swiss psychiatrist Eugene Bleuler in 1911.


Late 18th century Latin, literally 'early insanity'.

For editors and proofreaders

Syllabification: de·men·tia prae·cox

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