fulgurite
noun
ful·gu·rite
ˈfu̇l-g(y)ə-ˌrīt 
ˈfu̇l-jə-,
ˈfəl-
: an often tubular vitrified crust produced by the fusion of sand or rock by lightning
Examples of fulgurite in a Sentence
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The photo does not show a fulgurite.
—
Kate S. Petersen, USA TODAY, 22 July 2022
That means the lightning strikes initiate a geological stopwatch the moment a fulgurite is created.
—Nikk Ogasa, Science | AAAS, 16 Dec. 2020
If the soil composition is right, something called a fulgurite can also be created — fused soil that looks like coral.
—Joaquin Palomino, San Francisco Chronicle, 26 Jan. 2018
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Kate S. Petersen, USA TODAY, 22 July 2022
That means the lightning strikes initiate a geological stopwatch the moment a fulgurite is created.
—Nikk Ogasa, Science | AAAS, 16 Dec. 2020
If the soil composition is right, something called a fulgurite can also be created — fused soil that looks like coral.
—Joaquin Palomino, San Francisco Chronicle, 26 Jan. 2018
Cite this Entry
“Fulgurite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fulgurite. Accessed 3 Nov. 2025.
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