Webster’s Revised Unabridged Dictionary · 1913
Rhyolite
Rhy′o·lite (rī′ō·līt), n. [Gr. ρεἷν to flow + -lite.] (Min.) A quartzose trachyte, an igneous rock often showing a fluidal structure. — Rhy′o·lit′ic, (#), a.
Webster’s Revised Unabridged Dictionary · 1913
Rhy′o·lite (rī′ō·līt), n. [Gr. ρεἷν to flow + -lite.] (Min.) A quartzose trachyte, an igneous rock often showing a fluidal structure. — Rhy′o·lit′ic, (#), a.