Word.ws English Dictionary

heat dome

heat dome noun: a condition of extreme heat caused when the atmosphere traps hot air as if bounded by a lid or cap.

Noun

heat dome (plural heat domes)

  1. A condition of extreme heat caused when the atmosphere traps hot air as if bounded by a lid or cap.
    • The heatwave is being described as a “heat dome”. The term refers to the idea that this type of warmth extends high into the atmosphere and isn’t just a thin layer, and that it can have an impact on pressure and wind patterns.[2021 June 29, Hallie Golden, “The ‘heat dome’ explained: why the Pacific north-west is facing record temperatures”, in The Guardian, archived from the original on 12 Aug 2021
    • Heat domes happen all over the world, and the one over Europe this week is locking in days of near-record highs across Britain, Spain and France.2026 June 22, Nazaneen Ghaffar, “How a ‘Heat Dome’ Over Europe Keeps Temperatures Hot”, in The New York Times, →ISSN

Forms of heat dome

pluralheat domes

Questions about heat dome

What does heat dome mean?
Heat dome means a condition of extreme heat caused when the atmosphere traps hot air as if bounded by a lid or cap.
What part of speech is heat dome?
Heat dome is a noun.
What is the plural of heat dome?
The plural of heat dome is heat domes.

Words near heat dome in the dictionary

  1. heat death
  2. heat death of the universe
  3. heat deaths
  4. heat detector
  5. heat detectors
  6. heat dome
  7. heat domes
  8. heat dump
  9. heat dumps
  10. heat engine
  11. heat engines

Source and license

Adapted from Wiktionary: heat dome (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “heat dome.” Word.ws, https://word.ws/heat_dome. Based on Wiktionary, CC BY-SA 4.0.