py·​rex·​ia | \ pī-ˈrek-sē-ə How to pronounce pyrexia (audio) \

Definition of pyrexia

: abnormal elevation of body temperature : fever

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Other Words from pyrexia

pyrexial \ pī-​ˈrek-​sē-​əl How to pronounce pyrexia (audio) \ adjective
pyrexic \ pī-​ˈrek-​sik How to pronounce pyrexia (audio) \ adjective

Examples of pyrexia in a Sentence

Recent Examples on the Web According to the US National Library of Medicine's MedlinePlus resource, a fever (aka, pyrexia) is technically a higher-than-normal body temperature. Leah Groth,, "What Temperature is Considered a Fever in Adults? Doctors Explain the Most Common Coronavirus Symptom," 2 Apr. 2020 For many of these reactions, the FDA database uses medical terminology, such as pyrexia and dyspnoea for fever and labored breathing, respectively. Ajc Homepage, ajc, "The 50 most dangerous drugs," 24 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pyrexia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of pyrexia

1777, in the meaning defined above

History and Etymology for pyrexia

New Latin, from Greek pyressein to be feverish, from pyretos

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Time Traveler for pyrexia

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The first known use of pyrexia was in 1777

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Cite this Entry

“Pyrexia.” Dictionary, Merriam-Webster, Accessed 14 May. 2021.

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More Definitions for pyrexia


py·​rex·​ia | \ pī-ˈrek-sē-ə How to pronounce pyrexia (audio) \

Medical Definition of pyrexia

: abnormal elevation of body temperature : fever

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