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heat wave

noun

Definition of heat wavenext
as in dog days

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Example Sentences

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.
Recent Examples of heat wave Kansas City’s late-summer heat wave lingers one more day, with temperatures Wednesday expected to climb into the 90s before cooler weather arrives, according to the National Weather Service. — Kansas City Star, 9 Sep. 2026 As Southern California prepares for yet another heat wave with atypical humidity, thunderstorms broke out across the Southland on Tuesday morning, prompting warnings from local officials. — Austin Turner, CBS News, 8 Sep. 2026 Spann, 70, said the expansive Week 1 heat wave is a direct byproduct of the college football schedule being moved up. — Christopher Kamrani, New York Times, 7 Sep. 2026 French Champagne production is expected to fall by nearly half in 2026 due to a scorching heat wave that swept across the country, significantly harming crops. — Claire Carter, The Washington Examiner, 7 Sep. 2026 See All Example Sentences for heat wave
Recent Examples of Synonyms for heat wave
heat
Noun
  • Phase 2 targets repeatability Hylenr will now move to Phase 2 testing, which will examine multiple independent reactors and use quantitative calorimetry to measure heat output more precisely.
    — Neetika Walter, Interesting Engineering, 22 Sep. 2026
  • The devices, essentially dimmable table lamps with a heat-emitting bulb positioned above a jar, melt scented wax from the top down.
    — Lauren Jarvis-Gibson, Fort Worth Star-Telegram, 22 Sep. 2026
Definition of heat

Browse Nearby Words

heat-treats
heat wave
heave
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Cite this Entry

“Heat wave.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/heat%20wave. Accessed 29 Sep. 2026.

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More from Merriam-Webster on heat wave

Britannica.com: Encyclopedia article about heat wave

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