hyperthermia

noun

hy·​per·​ther·​mia ˌhī-pər-ˈthər-mē-ə How to pronounce hyperthermia (audio)
: exceptionally high fever especially when induced artificially for therapeutic purposes
hyperthermic adjective

Examples of hyperthermia in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The women had reportedly been unconscious when first responders arrived and were believed to have suffered from hyperthermia. Marina Johnson, The Courier-Journal, 27 Aug. 2025 According to the Mayo Clinic, hyperthermia is a condition where the body's temperature rises to dangerous levels when reaching 104 degrees. Natalie Neysa Alund, USA Today, 26 Aug. 2025 Some women, all over the age of 80, were vacationing in a cabin and made use of its hot tub when two of them suffered from hyperthermia due to pre-existing conditions. Peter Aitken, MSNBC Newsweek, 24 Aug. 2025 That's more than twice the number of those who've died from hyperthermia, the medical term for when someone's body overheats. Elizabeth B. Kim, The Enquirer, 2 July 2025 See All Example Sentences for hyperthermia

Word History

Etymology

New Latin, from hyper- + therm- + -ia

First Known Use

1887, in the meaning defined above

Time Traveler
The first known use of hyperthermia was in 1887

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Cite this Entry

“Hyperthermia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperthermia. Accessed 9 Sep. 2025.

Medical Definition

hyperthermia

noun
hy·​per·​ther·​mia ˌhī-pər-ˈthər-mē-ə How to pronounce hyperthermia (audio)
1
: elevated temperature of the body (as that occurring in heatstroke) see malignant hyperthermia
2
: the artificial heating of all or part of the body (as in diathermy) for therapeutic purposes (as to treat cancer)
hyperthermic adjective

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