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.
Phoenix nearly hit 100 degrees this week, and East Coast cities are also having intensifying spring heat waves. Nick Sobczyk, Axios, 27 Mar. 2025 Our families are doing all this while also facing severe cold fronts, deadly heat waves, and devastating hurricanes. Chelsea Rivera, Orlando Sentinel, 21 Mar. 2025 Newsletter Sign up for our email newsletter for the latest science news Even during one of Earth’s largest mass extinction events, where heat waves kill of a majority of Earth’s species, at least one oasis of survival existed. Paul Smaglik, Discover Magazine, 12 Mar. 2025 Islands and coastal destinations are seeing water levels continue to rise, wildfires and heat waves decimate towns and force tourists to flee. Lea Lane, Forbes, 11 Mar. 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

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Cite this Entry

“Heat wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20wave. Accessed 3 Apr. 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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