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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During an eruption, Pele hair – thin strands of volcanic glass – along with volcanic ash, can be brought downwind by strong winds.
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Kathleen Wong, USA Today, 14 Nov. 2025
Hazards from eruptions at Kilauea include high levels of volcanic gas, ash, pumice, scoria and reticulite and Pele's hair -- strands of volcanic glass produced by lava fountaining that can be carried more than 10 miles from the vent, according to the USGS.
—Julia Jacobo, ABC News, 10 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
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Kathleen Wong, USA Today, 14 Nov. 2025
Hazards from eruptions at Kilauea include high levels of volcanic gas, ash, pumice, scoria and reticulite and Pele's hair -- strands of volcanic glass produced by lava fountaining that can be carried more than 10 miles from the vent, according to the USGS.
—Julia Jacobo, ABC News, 10 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
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 29 Nov. 2025.
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