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hyperpyrexia

American  
[hahy-per-pahy-rek-see-uh] / ˌhaɪ pər paɪˈrɛk si ə /

noun

Pathology.

  1. an abnormally high fever.

hyperpyrexia British  
/ ˌhaɪpəpaɪˈrɛtɪk, ˌhaɪpəpaɪˈrɛksɪə /

noun

  1. Also called: hyperthermia.   hyperthermy.  pathol an extremely high fever, with a temperature of 41°C (106°F) or above

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of hyperpyrexia

First recorded in 1865–70; hyper- + pyrexia

Vocabulary lists containing hyperpyrexia

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.