sheet lightning

See more synonyms for sheet lightning on Thesaurus.com
noun
  1. lightning appearing merely as a general illumination over a broad area, usually because the path of the flash is obscured by clouds.

Origin of sheet lightning

First recorded in 1820–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sheet lightning

Historical Examples of sheet lightning


British Dictionary definitions for sheet lightning

sheet lightning

noun
  1. lightning that appears as a broad sheet, caused by the reflection of more distant lightning
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sheet lightning in Science

sheet lightning

[shēt]
  1. A broad, sheetlike illumination of a portion of a thundercloud, caused by an unseen, often internal or reflected lightning flash. See also heat lightning. See more at lightning.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.