volcanic glass
noun
: natural glass produced by the cooling of molten lava too rapidly to permit crystallization
Examples of volcanic glass in a Sentence
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Pele's hair -- strands of volcanic glass produced by lava fountaining activity -- can be carried more than 10 miles from the volcano's vent.
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ABC News, 7 Nov. 2025
Volatile content of lunar volcanic glasses and the presence of water in the Moon's interior.
—Keith Cooper, Space.com, 16 July 2025
The observatory warned that the plume may include hazards, including strands of volcanic glass known as Pele's hair and rock fragments called tephra.
—Kerry Breen
june 20, CBS News, 20 June 2025
While obsidian from multiple locations was present, volcanic glass collected from Sierra de Pachuca was prized above all others.
—Rosie McCall, Discover Magazine, 12 May 2025
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ABC News, 7 Nov. 2025
Volatile content of lunar volcanic glasses and the presence of water in the Moon's interior.
—Keith Cooper, Space.com, 16 July 2025
The observatory warned that the plume may include hazards, including strands of volcanic glass known as Pele's hair and rock fragments called tephra.
—Kerry Breen
june 20, CBS News, 20 June 2025
While obsidian from multiple locations was present, volcanic glass collected from Sierra de Pachuca was prized above all others.
—Rosie McCall, Discover Magazine, 12 May 2025
See All Example Sentences for volcanic glass
Cite this Entry
“Volcanic glass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/volcanic%20glass. Accessed 13 Nov. 2025.
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