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.
An autopsy determined the single cause of Yeager’s death was hypothermia. Theresa Clift, Sacbee.com, 24 Feb. 2026 Each year, people fall through the ice, or succumb to frostbite or hypothermia. Robert Annis, Outside, 24 Feb. 2026 Recognize signs of hypothermia The signs of hypothermia in pets are whining, shivering, anxiety, slowing down, or looking for a warm place to burrow. Alexa Herrera, CBS News, 23 Feb. 2026 Here's how to protect your family, children and pets from extreme cold dangers, such as frostbite and hypothermia. Yi-Jin Yu, ABC News, 23 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

Browse Nearby Words

Cite this Entry

“Hypothermia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypothermia. Accessed 3 Mar. 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

More from Merriam-Webster on hypothermia

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