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ball lightning

See more synonyms for ball lightning on Thesaurus.com
noun
  1. a rare form of lightning, consisting of a bright, luminous ball that moves rapidly along objects or floats in the air.
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Origin of ball lightning

First recorded in 1855–60
Also called globe lightning.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ball lightning

Historical Examples

  • The mergers of ball-lightning and meteorites are not resistances to us: our data are of enormous bodies.

    The Book of the Damned

    Charles Fort


British Dictionary definitions for ball lightning

ball lightning

noun
  1. meteorol a luminous electrically charged ball occasionally seen during electrical storms
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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

ball lightning in Science

ball lightning

  1. A rare form of lightning in the shape of a glowing red ball, associated with thunderstorms and sometimes accompanied by a loud noise. Ball lightning is thought to consist of ionized gas.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.