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Noun: heat lightning
  1. Bright flashes of light near the horizon without thunder (especially on hot evenings); usually attributed to distant lightning that is reflected by clouds

Type of: lightning

Encyclopedia: Heat lightning

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heat content
heat death
heat dissipation
heat energy
heat engine
heat exchanger
heat exhaustion
heat flash
heat hyperpyrexia
heat lamp
heat lightning
heat of condensation
heat of dissociation
heat of formation
heat of fusion
heat of solidification
heat of solution
heat of sublimation
heat of transformation
heat of vaporisation
heat of vaporization