rhyolitic

== English == === Alternative forms === rhyolithic (obsolete) === Etymology === From rhyolite +‎ -ic. === Adjective === rhyolitic (comparative more rhyolitic, superlative most rhyolitic) Pertaining to or composed of rhyolite, the lava form of granite. === References === “rhyolitic, adj.”, in OED Online ⁠, Oxford: Oxford University Press, 2010. “rhyolitic”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.