fulgurite

noun

ful·gu·rite | \ ˈfu̇l-g(y)ə-ˌrīt

How to pronounce fulgurite (audio)

, ˈfu̇l-jə-, ˈfəl-\

Definition of fulgurite

: 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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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, "Dozens of PG&E equipment problems reported as Wine Country fires began," 26 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fulgurite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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The first known use of fulgurite was in 1823

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