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fulguriteenUK
ful·gu·rite F0355100 (fo͝ol′gyə-rīt′, -gə-, fŭl′-)n. A slender, usually tubular body of glassy rock produced by lightning striking and then fusing dry sandy soil.
[Latin fulgur, lightning; see fulgurate + -ite.]fulgurite (ˈfʌlɡjʊˌraɪt) n (Minerals) a tube of glassy mineral matter found in sand and rock, formed by the action of lightning[C19: from Latin fulgur lightning]fulguriteenUK
fulgurite[′fu̇l·gə‚rīt] (geology) A glassy, rootlike tube formed when a lightning stroke terminates in dry sandy soil; the intense heating of the current passing down into the soil along an irregular path fuses the sand. |