Definition of dementia praecox in English:

dementia praecox

Syllabification: de·men·tia prae·cox
Pronunciation: /diˈmenSHə ˈprēˌkäks


  • dated term for schizophrenia.
    More 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'.

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Pronunciation: kəːf
a slit made by cutting with a saw