noun Etymology: German Rhyolith, from Greek rhyax stream, stream of lava (from rhein) + German -lith -lite Date: 1868 a very acid volcanic rock that is the lava form of granite, rhyolitic adjective
RHYOLITE
Meaning of RHYOLITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012