heatwave

See also: heat wave

English

Etymology

From heat +‎ wave.

Pronunciation

  • IPA(key): /ˈhitˌweɪv/
  • Audio (US):(file)

Noun

heatwave (plural heatwaves)

  1. Alternative spelling of heat wave (“period of exceptionally hot weather”)
    Antonyms: cold spell, cold wave
    • 2023 July 7, “UN says climate change ‘out of control’ after likely hottest week on record”, in The Guardian‎[1], →ISSN:
      Various parts of the world have been experiencing heatwaves and on Thursday the EU’s climate monitoring service said the world had experienced its hottest June on record last month. […] In parts of China, an enduring heatwave has continued, with temperatures reaching above 35C.
    • 2025 August 11, Ajit Niranjan, “Southern Europe swelters under deadly heatwave as temperatures pass 40C”, in The Guardian‎[2], →ISSN:
      Both weather agencies forecast temperatures above 40C over the coming days and called for vigilance amid forecasts of “a very intense, even exceptional” heatwave in parts of the continent.
  2. A heat haze.
    • 2021, Murray du Plessis, Modern Meditations: 101 Ways to Slow Down & Connect to Spirit:
      On a hot summer's day, one can literally see heatwaves shimmering off the surfaces of inanimate objects.
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