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

Definition of fulgurite

  1. :  an often tubular vitrified crust produced by the fusion of sand or rock by lightning

Origin and Etymology of fulgurite

International Scientific Vocabulary, from Latin fulgur

First Known Use: 1834

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