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.
Myanmar warned citizens to expect power outages as the electricity grid is strained by an unseasonal heatwave authorities blamed on El Nino.
From Barron's ● Oct. 13, 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
Both maximum and minimum temperatures were consistently above normal with only very short-lived bursts of heat, falling short of any official heatwave.
From BBC ● Oct. 1, 2026
In many cases, the warming before and after the MHW contributed as much or even more cumulative heat exposure than the heatwave itself.
From Science Daily ● Sep. 30, 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
