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narcosis Line breaks: nar|co¦sis
Pronunciation: /nɑːˈkəʊsɪs/

Definition of narcosis in English:


[mass noun] Medicine
A state of stupor, drowsiness, or unconsciousness produced by drugs: the patient was treated in prone position without narcosis See also nitrogen narcosis.
More example sentences
  • Once you begin on the slippery slope of hypothermia, secondary problems such as narcosis and decompression sickness begin to increase drastically.
  • One possibility is that CO2 narcosis impaired cognitive function.
  • Prolonged narcosis was introduced in the 1920s.


Late 17th century: from Greek narkōsis, from narkoun 'make numb'.

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