heat wave
noun
a period of abnormally hot and usually humid weather; heat event.
heatwave
-
a variation of
heat wave.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Duwai said water temperatures reached up to 39C during a heatwave earlier this year, and there was widespread bleaching of the thousands of planted corals.
From Barron's ● Oct. 17, 2026
UC Agriculture and Natural Resources climate scientist Daniel Swain also placed blame on a months-long marine heatwave preceding El Niño, as well as human-caused climate change.
From Los Angeles Times ● Oct. 12, 2026
The results indicate that warm water anomalies occurring before and after a heatwave are largely independent of the MHW itself.
From Science Daily ● Sep. 30, 2026
This is not the same as the number of days spent in an official heatwave, where the threshold has to be met or exceeded for at least three consecutive days.
From BBC ● Sep. 24, 2026
Meditatively Campian watched the line of light as it dropped lower and lower, soon to flood the valley with its fierce heatwave.
From The Ruby Sword A Romance of Baluchistan by Bertram Mitford
