Smokestack lightning Synonyms

Smokestack replaced

(noun) a large tall chimney through which combustion gases and smoke can be evacuated

SL is an abbreviation for Smokestack Lightning

What does SL stand for?

SL stands for "Smokestack Lightning"

(adjective) moving, proceeding, or acting with great speed
(noun) the flash of light that accompanies an electric discharge in the atmosphere (or something resembling such a flash); can scintillate for a second or more
(noun) abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light