Dacite Definition

dāsīt
noun
A fine-grained light gray volcanic rock consisting primarily of quartz, plagioclase feldspar, and potassium feldspar, and also containing biotite, hornblende, or pyroxene.
American Heritage

Other Word Forms of Dacite

Noun

Singular:
dacite
Plural:
dacites

Origin of Dacite

  • 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.

    From Wiktionary

  • After Dacia

    From American Heritage Dictionary of the English Language, 5th Edition

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