01 n. A quartzose trachyte, an igneous rock often showing a fluidal structure.
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1.
A quartzose trachyte, an igneous rock often showing a fluidal structure.(Min.)
Entry
1 sense
Webster, 1913
Rhyolite
· Rhy·o·lite
· IPA /ˈɹaɪ.əˌlaɪt/