from The American Heritage® Dictionary of the English Language, 4th Edition

  • intransitive v. To emit flashes of lightning.
  • transitive v. To emit (light) in flashes.
  • transitive v. Medicine To destroy (abnormal tissue, for example) by electric current.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To flash or emit emit flashes like lightning.
  • v. To cauterize with electricity; to carry out electrofulguration or to electrocauterize.

from the GNU version of the Collaborative International Dictionary of English

  • intransitive v. To flash as lightning.

from The Century Dictionary and Cyclopedia

  • To flash as lightning: as, fulgurating clouds.


Latin fulgurāre, fulgurāt-, from fulgur, lightning; see bhel-1 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin fulgur ("lightning") (Wiktionary)



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  • "But the Great Report won't be composed in a study; it will come out of the jungle, breaking cover like some colourful, fantastic beast, a species never seen before, a brand-new genus, flashing, sparkling—fulgurating—high above the tree-line, there for all to see."
    Satin Island by Tom McCarthy, p 62 of the Knopf hardcover edition

    July 6, 2015

  • Writing about a new kind of language in poetry that is at "variance" with "what normally goes for things and words," Christopher Middleton writes:
    "The variance may be slight, but if it is true, if it fulgurates with truth, then a new sensibility has entered the evolutionary dynamic, rising up, under unthinkable pressure, from the depths."
    "Introduction," in Bolshevism in Art (Manchester, UK: Carcanet New Press, 1978), p. 14.

    December 1, 2007