Definition of heat lightning in English:

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heat lightning

Entry from US English dictionary


A flash or flashes of light seen near the horizon, especially on warm evenings, believed to be the reflection of distant lightning on high clouds.
Example sentences
  • When they would go into the cloud, you could see flashes like heat lightning.
  • I sat out and watched a spectacular display of heat lightning while the warm wind roared in the treetops.
  • There is a line in one of his poems saying that flashes of heat lightning are ‘like deaf and dumb demons conversing with each other.’
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