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fulgurite

[ fuhl-gyuh-rahyt ]
/ ˈfʌl gyəˌraɪt /
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noun

a tubelike formation in sand or rock, caused by lightning.

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Origin of fulgurite

1825–35; <Latin fulgur (see fulgurate) + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for fulgurite

British Dictionary definitions for fulgurite

fulgurite
/ (ˈfʌlɡjʊˌraɪt) /

noun

a tube of glassy mineral matter found in sand and rock, formed by the action of lightning

Word Origin for fulgurite

C19: from Latin fulgur 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

Scientific definitions for fulgurite

fulgurite
[ fulgyə-rīt′, -gə- ]

A slender, usually tubular body of glassy rock produced by lightning striking and then fusing dry sandy soil.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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