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dacite

noun
da·​cite | \ ˈdāˌsīt\
plural -s

Definition of dacite

: an extrusive rock that is sometimes partly glassy and is composed of plagioclase and quartz with biotite, hornblende, or pyroxene

Other Words from dacite

dacitic \ (ˈ)dā¦sitik \ adjective

History and Etymology for dacite

German dazit, from Dazien Dacia + German -it -ite

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