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gneiss

noun

  1. common and widely distributed type of rock
L321304 on Wikidata ↗

Wiktionary

Pronunciation: /ˈnaɪs/

noun

Etymology: From German Gneis, from Middle High German gneist (“spark”), from Old High German gneisto (“spark”). More at gnast.

  1. A common and widely-distributed metamorphic rock having bands or veins, but not schistose.

    The old towns along the route are as solidly built from the gneiss of the region as you might expect.