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 dangerously cold wind chills as low as 15 below zero could result in hypothermia or frostbite if precautions are not taken. Nc Weather Bot, Charlotte Observer, 14 Dec. 2025 The cold wind chills could result in hypothermia or frostbite if precautions are not taken, the weather service says. David Ferrara, Cincinnati Enquirer, 14 Dec. 2025 An eight-month-old baby named Rahaf died of hypothermia, her family told CNN. Ibrahim Dahman, CNN Money, 13 Dec. 2025 People outside are also at an elevated risk of hypothermia. Sara Tenenbaum, CBS News, 12 Dec. 2025 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 17 Dec. 2025.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!