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fulgurite

[fuhl-gyuh-rahyt] /ˈfʌl gyəˌraɪt/
noun
1.
a tubelike formation in sand or rock, caused by lightning.
Origin of fulgurite
1825-1835
1825-35; < Latin fulgur (see fulgurate) + -ite1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for fulgurite
  • Known as a fulgurite, this type of rock structure is formed when lightning strikes the ground.
British Dictionary definitions for fulgurite

fulgurite

/ˈfʌlɡjʊˌraɪt/
noun
1.
a tube of glassy mineral matter found in sand and rock, formed by the action of lightning
Word Origin
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
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fulgurite in Science
fulgurite
  (fl'gyə-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 © 2002. Published by Houghton Mifflin. All rights reserved.
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17
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