Definition of narcosis in English:

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Pronunciation: /närˈkōsəs/


A state of stupor, drowsiness, or unconsciousness produced by drugs. See also nitrogen narcosis.
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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Syllabification: nar·co·sis

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