heat dome

[ heet dohm ]
/ ˈhit ˌdoʊm /

noun Meteorology.

a weather phenomenon in which an area experiences stifling heat when a system of high pressure pushes very warm air downward and keeps it trapped as if in a bubble.

Nearby words

  1. heat capacity,
  2. heat cramp,
  3. heat cramps,
  4. heat death,
  5. heat devil,
  6. heat engine,
  7. heat equation,
  8. heat exchanger,
  9. heat exhaustion,
  10. heat gun

Origin of heat dome

First recorded in 1955–60

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019