noun🔗ShareGneisA common and widely-distributed metamorphic rock having bands or veins, but not schistose."The countertop, made of polished gneiss, displayed swirling patterns of black and white bands. "Die Arbeitsplatte aus poliertem Gneis zeigte wirbelnde Muster aus schwarzen und weißen Bändern.geologymaterialChat with AIVocabulary GamePractice Reading