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Webster 1913 Edition

Rhyolite

Rhy′o-lite

,
Noun.
[Gr.
ῥεῖν
to flow +
-lite
.]
(Min.)
A quartzose trachyte, an igneous rock often showing a fluidal structure.
–
Rhyˊo-lit′ic
,
(#)
,
Adj.

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