Hyperpyrexia
ahd-5
noun.
Abnormally high fever.
The Century Dictionary and Cyclopedia
noun.
In
pathology
, a high degree of pyrexia or fever.
the GNU version of the Collaborative International Dictionary of English
noun.
A condition of excessive fever; an elevation of temperature in a disease, in excess of the limit usually observed in that disease.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
An excessive and unusual elevation of set body temperature greater than or equal to 41°C (105.8°F), or extremely high fever.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
extremely high fever (especially in children)
Word Usage
"The term hyperpyrexia is used when the temperature shows a tendency to remain at"
cross-reference
hyperthermia
Etymologically Related
pyrexia
Hypernym
Words that are more generic or abstract
febricity
febrility
fever
feverishness
hyperthermia