heat wave

noun

: a period of unusually hot weather

Examples of heat wave in a Sentence

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.
Meteorologists have said the monsoon rainfall was caused by two tropical low pressure systems, including a heat wave in the Coral Sea, while rising ocean temperatures due to climate change have made such weather events more frequent in Australia, the AP said. Anders Fogh Rasmussen, Newsweek, 4 Feb. 2025 The year featured numerous extreme weather events in which record warmth played a role — from the obvious, like deadly heat waves, to torrential rains. Andrew Freedman, Axios, 15 Jan. 2025 Some people experience hyperthermia from heat exposure, even in sedentary settings, such as an older individual living without air-conditioning during a heat wave—however, the risks of hyperthermia increase with exercise and lack of access to fluids. Ruth Jessen Hickman, Md, Verywell Health, 15 Jan. 2025 Hikers can gauge hypothermia risk, and backpackers can plan out how to prepare for a heat wave or look up how to temporarily set a broken bone. Hayden Field, CNBC, 14 Jan. 2025 See all Example Sentences for heat wave 

Word History

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of heat wave was in 1893

Dictionary Entries Near heat wave

Cite this Entry

“Heat wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20wave. Accessed 14 Feb. 2025.

Kids Definition

heat wave

noun
: a period of unusually hot weather

More from Merriam-Webster on heat wave

Last Updated: - Updated example sentences
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