Dictionary

fulgurite

noun ful·gu·rite \ˈfl-g(y)ə-ˌrīt, ˈfl-jə-, ˈfəl-\

Definition of FULGURITE

:  an often tubular vitrified crust produced by the fusion of sand or rock by lightning
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Origin of FULGURITE

International Scientific Vocabulary, from Latin fulgur
First Known Use: 1834

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