volcanic glass
noun
: natural glass produced by the cooling of molten lava too rapidly to permit crystallization
Examples of volcanic glass in a Sentence
Recent Examples on the Web
But how? In western Canada, over 500 archaeological sites have revealed artifacts made of volcanic glass, or obsidian, which geologically shouldn’t be there.
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Stories By Real-Time News Team, With Ai Summarization, Miami Herald, 11 Apr. 2025
The city of Pompeii was buried under ash and volcanic glass when Vesuvius erupted, and archaeologists have been unearthing it since the 1700s, in a large, ongoing excavation.
—Lianne Kolirin, CNN Money, 2 Apr. 2025
North Milford Valley, in western Utah, is home to dormant volcanoes, subterranean lava deposits, and smatterings of obsidian—black volcanic glass—that Paiute peoples once collected for arrowheads and jewelry.
—Brent Crane, The New Yorker, 2 Mar. 2025
While the activity has sent visitors flocking to the park, experts warn of hazards, including strands of volcanic glass known as Pele’s hair, McClatchy News previously reported.
—Sara Schilling, Sacramento Bee, 26 Feb. 2025
See All Example Sentences for volcanic glass
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Stories By Real-Time News Team, With Ai Summarization, Miami Herald, 11 Apr. 2025
The city of Pompeii was buried under ash and volcanic glass when Vesuvius erupted, and archaeologists have been unearthing it since the 1700s, in a large, ongoing excavation.
—Lianne Kolirin, CNN Money, 2 Apr. 2025
North Milford Valley, in western Utah, is home to dormant volcanoes, subterranean lava deposits, and smatterings of obsidian—black volcanic glass—that Paiute peoples once collected for arrowheads and jewelry.
—Brent Crane, The New Yorker, 2 Mar. 2025
While the activity has sent visitors flocking to the park, experts warn of hazards, including strands of volcanic glass known as Pele’s hair, McClatchy News previously reported.
—Sara Schilling, Sacramento Bee, 26 Feb. 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 24 Apr. 2025.
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