hyperthermia
noun
hy·per·ther·mia
ˌhī-pər-ˈthər-mē-ə 
: exceptionally high fever especially when induced artificially for therapeutic purposes
Examples of hyperthermia in a Sentence
Recent Examples on the Web
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
However, forcing mitochondria to waste energy instead of storing it also results in a dangerous level of heat production throughout the body, leading to hyperthermia and cell death.
—New Atlas, 7 Jan. 2026
The 9-year-old had a body temperature of 108 degrees and died of hyperthermia, a medical examiner ruled, authorities said.
—Mike Stunson, Fort Worth Star-Telegram, 21 Oct. 2025
Gbemisola Akayinode, 36, was arrested on Friday for the murder of 9-year-old Oluwasikemi Akayinode after the girl's death was ruled a homicide as a result of hyperthermia (heat stroke), according to Harris County Sheriff Ed Gonzalez.
—Emily Shapiro, ABC News, 20 Oct. 2025
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Jessica Riley, CBS News, 25 Jan. 2026
However, forcing mitochondria to waste energy instead of storing it also results in a dangerous level of heat production throughout the body, leading to hyperthermia and cell death.
—New Atlas, 7 Jan. 2026
The 9-year-old had a body temperature of 108 degrees and died of hyperthermia, a medical examiner ruled, authorities said.
—Mike Stunson, Fort Worth Star-Telegram, 21 Oct. 2025
Gbemisola Akayinode, 36, was arrested on Friday for the murder of 9-year-old Oluwasikemi Akayinode after the girl's death was ruled a homicide as a result of hyperthermia (heat stroke), according to Harris County Sheriff Ed Gonzalez.
—Emily Shapiro, ABC News, 20 Oct. 2025
See All Example Sentences for hyperthermia
Cite this Entry
“Hyperthermia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperthermia. Accessed 3 Feb. 2026.
Copy CitationMedical Definition
hyperthermia
noun
hy·per·ther·mia
ˌhī-pər-ˈthər-mē-ə
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)
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