heat wave

noun

: a period of unusually hot weather

Examples of heat wave in a Sentence

Recent Examples on the Web
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Most Popular Most Popular Parkinson’s tremors disappear with use of machine that sends heat waves to the brain Parkinson’s tremors disappear with use of machine that sends heat waves to the brain Chris Perkins: Dolphins weren’t a dumb team in 2024, but . . Ira Winderman, Sun Sentinel, 16 Jan. 2025 The United Nations’s Intergovernmental Panel on Climate Change says climate change is causing more frequent and intense heat waves and is likely increasing the frequency and intensity of heavy precipitation. Rachel Frazin, The Hill, 15 Jan. 2025 August Complex Fire The August Complex Fire occurred in August 2020 following a heat wave and burned 1,032,648 acres across Glenn, Lake, Mendocino, Tehama, Trinity and Shasta counties. Kierra Frazier, CBS News, 10 Jan. 2025 Sources: Nature, Good Good Good Corals nurtured as cells and then planted on reefs survived a historic heat wave A record marine heat wave in 2023 caused the worst coral bleaching ever seen in the Caribbean, with reefs turning white and dying across the region. Erika Page, The Christian Science Monitor, 8 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 22 Jan. 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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