Definition of pyrexia in English:

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Pronunciation: /pʌɪˈrɛksɪə/
Pronunciation: /pɪˈrɛksɪə/


[mass noun] Medicine
Raised body temperature; fever: nine patients had unexplained pyrexia [count noun]: Julie still had a pyrexia
More example sentences
  • Along with the constant infestation of lice came the high risk of pyrexia, or trench fever.
  • Rarely, patients may have influenza-like symptoms, transient pyrexia, or allergic reactions.
  • In Perth, maternal pyrexia and preceding viral illness were both importantly associated with encephalopathy.



Example sentences
  • He remained pyrexial, his C reactive protein concentration and hepatic transaminases continued to rise, and he became increasingly unwell.
  • She's also gone lame which is one of the symptoms (pyrexial and limping syndrome).
  • She was pyrexial and vomiting (two siblings had similar but less marked symptoms).


Pronunciation: /pʌɪˈrɛksɪk/ Pronunciation: /pɪˈrɛksɪk/
Example sentences
  • Of the 152 serum samples from individuals with pyrexic illness, 23 were positive for anti-hantavirus IgM by EIA.
  • On admission to the neurology department she was pyrexic at 38.9°C, incoherent and not oriented in time or space.


Mid 18th century: modern Latin, from Greek purexis, from puressein 'be feverish', from pur 'fire'.

For editors and proofreaders

Line breaks: pyr|exia

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