dacite
da·cite
noun
1.
a gray volcanic rock containing plagioclase and quartz and other crystalline minerals
Origin
From German Dazit, from Latin Dācia (“greater Romania”). First used in 1863 by Austrian geologists Franz von Hauer and Guido Stache, in a description of the geology of Transylvania.
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Part of
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.