rhyolite

[ rahy-uh-lahyt ]

/ ˈraɪ əˌlaɪt /

noun

a fine-grained igneous rock rich in silica: the volcanic equivalent of granite.

Nearby words

rhyme scheme, rhymester, rhyming slang, rhynchocephalian, rhynchophore, rhyolitic, rhyolitic, rhys, rhys, jean, rhythm, rhythm and blues

Origin of rhyolite

1865–70; rhyo- (irregular < Greek rhýax stream of lava) + -lite

Related formsrhy·o·lit·ic

[rahy-uh-lit-ik] /ˌraɪ əˈlɪt ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rhyolitic

Then came the period of rhyolitic flows, the centers of volcanic activity being as before Mts.
The Yellowstone National Park|Hiram Martin Chittenden

British Dictionary definitions for rhyolitic

rhyolite

/ (ˈraɪəˌlaɪt) /

noun

a fine-grained igneous rock consisting of quartz, feldspars, and mica or amphibole. It is the volcanic equivalent of granite

Derived Formsrhyolitic (ˌraɪəˈlɪtɪk), adjective

Word Origin for rhyolite

C19: rhyo- from Greek rhuax a stream of lava + lite

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for rhyolitic

rhyolite

[ rī′ə-līt′ ]

A usually light-colored, fine-grained extrusive igneous rock that is compositionally similar to granite. It often includes flow lines formed during the extrusion.