pitchstone

English

Etymology

pitch +‎ stone

Noun

pitchstone (usually uncountable, plural pitchstones)

(geology) a natural glass, rich in microscopic crystallites, formed by the rapid cooling of lava or magma

Translations

natural glass

Chinese:
Mandarin: 松脂岩 (zh) (sōngzhīyán)

Finnish: laavalasi
Japanese: 松脂岩 (しょうしがん, shōshigan)

See also

pitchstone on Wikipedia.Wikipedia

Anagrams

postethnic

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