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
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
Obsidian is a black volcanic glass; deposits found here were historically used by Indigenous peoples to craft tools.
—Tom Howarth, Newsweek, 20 Jan. 2025
Pele’s hair is strands of volcanic glass that can cluster together and look like tumbleweeds.
—Eduardo Cuevas, USA Today, 27 May 2025
That plume included ash, volcanic rock and volcanic glass shards known as Pele's hair.
—Kerry Breen, CBS News, 26 May 2025
See All Example Sentences for volcanic glass
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Rosie McCall, Discover Magazine, 12 May 2025
Obsidian is a black volcanic glass; deposits found here were historically used by Indigenous peoples to craft tools.
—Tom Howarth, Newsweek, 20 Jan. 2025
Pele’s hair is strands of volcanic glass that can cluster together and look like tumbleweeds.
—Eduardo Cuevas, USA Today, 27 May 2025
That plume included ash, volcanic rock and volcanic glass shards known as Pele's hair.
—Kerry Breen, CBS News, 26 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 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share