noun
Freq #160349
Meanings
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1
noun
a glassy, often branching tube or crust formed when lightning fuses sand, soil, or rock
The lightning strike left a fragile fulgurite extending through the dune sand.
Thesaurus
Synonyms
1
noun
· a glassy, often branching...
fossilized lightninglightning glass
Word family
Etymology
Formed from Latin fulgur, 'lightning,' + the mineral suffix -ite. The name refers to material fused or vitrified by the intense heat of a lightning discharge.