sprite
noun
plural sprites
Definition of sprite
3
: a form of electrical discharge that sometimes is emitted upwards from the top of a cumulonimbus cloud during a thunderstorm at the same time that lightning strikes downward and that usually appears as a red or reddish-orange flash of light
Atmospheric scientist Walter Lyons and his colleagues ⊠noticed unusual behavior in storms over the plains: They triggered huge numbers of "sprites"âghostly red glows of excited nitrogen molecules often seen high above violent storms.— Robert Irion
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