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.
After initial examinations, authorities determined the 29-year-old woman died of hyperthermia. Alexandra Koch , Brooke Taylor, FOXNews.com, 13 May 2026 The law was passed in 2001 after the death of an infant named Kaitlyn Russell, who died from hyperthermia after being left in a car by a babysitter, according to Kids and Car Safety. Sacbee.com, 13 May 2026 Following initial examinations, the medical examiner determined that the female victim, a 29-year-old from Mexico, died of hyperthermia. Ingrid Vasquez, PEOPLE, 12 May 2026 Investing in booties, coats, and sweaters will never be a regret, especially when knowing pets can get frostbite and hyperthermia. Jessica Riley, CBS News, 25 Jan. 2026 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

Browse Nearby Words

Cite this Entry

“Hyperthermia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperthermia. Accessed 16 May. 2026.

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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