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: R RÜ Râ Ré Rô Rö R& R- R. Ra Rb Rc Re Rf Rg Rh Ri Rn Ro Rp Rt Ru Rv Rw Ry

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rhyolite

Noun

rhy=o=lite

WORDNET DICTIONARY

rhyolite, n. [Gr. "rei^n to flow + -lite.].

A quartzose trachyte, an igneous rock often showing a fluidal structure. [1913 Webster]

rhyolite, n. a fine-grained volcanic rock of granitic composition.

Etymology

G Rhyolit f. Gk rhuax lava-stream + lithos stone

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