Gneiss
Pronunciation
- enPR: nīs, IPA: /ˈnaɪs/
- Rhymes: -aɪs
- Homophones: nice
Origin
From German Gneis, from Middle High German gneist ("spark"), from Old High German gneisto ("spark"). More at gnast.
Full definition of gneiss
Noun
gneiss
(usually uncountable; plural gneisses)- (geology) A common and widely-distributed metamorphic rock having bands or veins, but not schistose.
- 2004, Richard Fortey, The Earth, Folio Society 2011, p. 98:The old towns along the route are as solidly built from the gneiss of the region as you might expect.