heat wave

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heat wave

  • /ˈhit weɪv/ US

noun heat waves · heatwave

  1. idiomatic A period of exceptionally hot weather. We're havin a heat wave / A tropical heat wave / The temperatures rising, it isn't surprising / She certainly can, can can! / She started a heat wave / By letting her seat wave, / in such a way that the customers say / that she certainly can, can-can!

    Opposite: cold spell, cold wave

  2. US, idiomatic Three consecutive days with daytime high temperature of 90 degrees Fahrenheit or higher.

    Opposite: cold spell, cold wave

  3. UK, idiomatic A period of at least three consecutive days with daily high temperatures of the respective county's temperature threshold or higher.

    Opposite: cold spell, cold wave

  4. An electromagnetic wave in the infrared spectrum.

Translations

Every language

noun period of very hot weather

Españolola de calor, vaharada calórica, vaharada térmica, vaharada calorífica
한국어열파 yeolpa
日本語熱波 neppa, 酷暑 kokusho
中文熱浪 /热浪 rèlàng
Kiswahiliwimbijoto
Portuguêsonda de calor
Françaisvague de chaleur, canicule
DeutschHitzewelle
Italianoondata di caldo
Ελληνικάκαύσωνας káfsonas
Românăval de căldură, caniculă
Русскийжара́ žará, зной znoj, пери́од си́льной жары́ períod sílʹnoj žarý
Tiếng Việtsóng nhiệt
العربيةمَوْجَة اَلْحَرّ mawjat al-ḥarr
עבריתגל חום gal khóm, חמסין, שרב

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MLA

"heat wave." Wiktionary, via Micwyn, micwyn.com/word/heat%20wave. Accessed 6 Nov. 2026.

APA

heat wave. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/heat%20wave

Chicago

"heat wave." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/heat%20wave.

BibTeX
@misc{heat_wave_2026,
  title = {heat wave},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/heat%20wave},
  urldate = {2026-11-06}
}