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.
In just one recent cutback, the administration pulled the plug on a program that has helped tens of thousands of low-income Floridians keep the power and AC on, including during potentially dangerous extreme heat waves. David J. Neal, Miami Herald, 5 Apr. 2025 The shelters protect against shock waves and bomb fragments, as well as nuclear blasts and heat waves, according to the country's official guidance. Lee Habeeb, MSNBC Newsweek, 3 Apr. 2025 Scientists say the warming atmosphere around the world is driving ever more extreme weather events, including wildfires, flooding, droughts, hurricanes and heat waves that are killing people and causing billions of dollars in damage every year. Arkansas Online, 28 Mar. 2025 Texas broke power demand records last summer amid massive data center growth and brutal heat waves, and peak summer demand is expected to soar from 85 GW in 2024 up to148 GW in 2030. Energy Innovation: Policy and Technology, Forbes, 18 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

Browse Nearby Words

Cite this Entry

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

Kids Definition

heat wave

noun
: a period of unusually hot weather

More from Merriam-Webster on heat wave

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