gneiss
noun
1.
a laminated metamorphic rock similar to granite
Origin
From German Gneis, from Middle High German gneist (“spark”), from Old High German gneisto (“spark”). More at gnast.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.