volcanic glass

noun

volcanic glass

volcanic glass

Natural glass produced by the cooling of molten lava too quickly to permit crystallization. Obsidian is a type of volcanic glass.

First recorded in 1830–40

Dragonglass: The name accorded to volcanic glass or obsidian.

Women cut themselves with sharp sea-shells or flakes of volcanic glass till the blood ran down.

The southern end is formed of volcanic glass, or obsidian, as true a glass as any artificially produced.

He had lain five of his best arrows, tipped with points of volcanic glass, side by side in the snow.

We have here found our first specimens of petrifactions and obsidian, or volcanic glass.

The walls glistened with the sparkling smoothness of volcanic glass.

April 19, 2024tortuous

[tawr-choo-uhs ]

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