hypothermia

noun

hy·​po·​ther·​mia ˌhī-pō-ˈthər-mē-ə How to pronounce hypothermia (audio)
: subnormal temperature of the body
hypothermic adjective

Examples of hypothermia in a Sentence

She fell into the cold water and nearly died from hypothermia.
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 specific circumstances of those seven deaths were not immediately available, though the mayor’s office confirmed that hypothermia was determined to be the cause of death for all of them. Josephine Stratman, New York Daily News, 11 Feb. 2026 Garay Sanchez’s cause of death was officially listed as environmental hypothermia with a contributory cause of ethanol, commonly known as alcohol, use, wrote Associate Miami-Dade Medical Examiners Jusmita Saifullan and Nicholas Barna in her autopsy released to the Miami Herald on Wednesday. Devoun Cetoute, Miami Herald, 11 Feb. 2026 That’s because down jackets, another winter layer go-to, quickly lose their ability to loft when wet—a recipe for hypothermia in cold climates. Kelly Bastone, Outside, 10 Feb. 2026 Temperatures in his cell had reached 50 degrees, well below the 72 to 76 degrees required by jail policy, and an autopsy report found his cause of death was hypothermia, according to the lawsuit. N'dea Yancey-Bragg, USA Today, 8 Feb. 2026 See All Example Sentences for hypothermia

Word History

Etymology

New Latin

First Known Use

circa 1886, in the meaning defined above

Time Traveler
The first known use of hypothermia was circa 1886

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Cite this Entry

“Hypothermia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypothermia. Accessed 14 Feb. 2026.

Kids Definition

hypothermia

noun
hy·​po·​ther·​mia ˌhī-pō-ˈthər-mē-ə How to pronounce hypothermia (audio)
: reduction of the body temperature to an abnormally low level

Medical Definition

hypothermia

noun
hy·​po·​ther·​mia -ˈthər-mē-ə How to pronounce hypothermia (audio)
: subnormal temperature of the body
hypothermia, defined as temperature under 36.6°CEmergency Medicine
hypothermic adjective

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