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 dogs showed behaviors consistent with prolonged cold exposure and hypothermia, and some of them required immediate medical attention for injuries, officers said. Madeline Bartos, CBS News, 17 Mar. 2026 When rescuers found him the next morning, the man was dehydrated and suffering from mild hypothermia, but otherwise unharmed. Owen Clarke, Outside, 16 Mar. 2026 Last year, homeless people in San Diego County died while suffering from HIV, hypothermia, undernourishment, sleep apnea and pneumonia, according to data from the Medical Examiner’s Office. Blake Nelson, San Diego Union-Tribune, 15 Mar. 2026 One climber was injured and was also treated for hypothermia at the hospital. Gregory Thomas, San Francisco Chronicle, 14 Mar. 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 23 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

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!

More from Merriam-Webster