What does "fulgurite" mean?

Glass formed by a lightning strike melting sand or other material.

What is a synonym for "fulgurite"?

Common synonyms include: fossilized lightning.

Fulgurite

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Glass formed by a lightning strike melting sand or other material. countable, uncountable

Synonyms

All synonyms

fossilized lightning

Example

More examples

"I managed to dig up a complete fulgurite section almost 14 cm in length from the clayey soil of my garden after it was struck by lighting during yesterday afternoon's thunderstorm."

Etymology

From Latin fulgur + -ite.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.