blue jet


noun
  1. a faint discharge of blue light from the top of a thunderstorm cloud that propagates upward: extends approximately from the bottom to the top of the stratosphere and is not detectable from the ground.

Origin of blue jet

1
1990–95
  • Also called reverse lightning .

Words Nearby blue jet

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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Scientific definitions for blue jet

blue jet

  1. A conical discharge of blue light that starts from the top of active thunderstorm clouds and proceeds upward. Blue jets can last up to several hundred milliseconds and are believed to connect the top of a thundercloud with the ionosphere.

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