heat wave

A "heat wave" is a weather phenomenon characterized by prolonged periods of excessively high temperatures, often linked to climate change.

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Definition

(common)A prolonged period of abnormally high temperatures.

The city experienced a heat wave that lasted over a week, causing many residents to seek cooler areas.
During the heat wave, temperatures soared to record highs.

(technical)A weather event marked by consecutive days of temperatures significantly above the average for a specific region.

Meteorologists predicted a heat wave that would break several temperature records.

Terms that have similar or relatively close meanings to "heat wave":