reverse lightning

reverse lightning

noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
reverse lightning  
A flash of light in the sky caused by an electrical discharge from the Earth's surface to a cloud. Reverse lightning is so called because lightning typically occurs between clouds or travels from a cloud to the Earth's surface. Also called return stroke. See note at lightning.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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