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rhyolite
[ rahy-uh-lahyt ]
noun
- a fine-grained igneous rock rich in silica: the volcanic equivalent of granite.
rhyolite
/ ˈraɪəˌlaɪt; ˌraɪəˈlɪtɪk /
noun
- a fine-grained igneous rock consisting of quartz, feldspars, and mica or amphibole. It is the volcanic equivalent of granite
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.
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Derived Forms
- rhyolitic, adjective
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Other Words From
- rhy·o·lit·ic [rahy-, uh, -, lit, -ik], adjective
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Word History and Origins
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Word History and Origins
Origin of rhyolite1
C19: rhyo- from Greek rhuax a stream of lava + lite
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Example Sentences
This is shown in the glaciated rock-surfaces of the rim that are covered with layers of pumice and rhyolite.
From Project Gutenberg
Granite is an acidic rock corresponding to rhyolite in chemical composition.
From Project Gutenberg
The oldest volcanic rock appears to be rhyolite, which peers up in two small hills almost smothered beneath the lake deposits.
From Project Gutenberg
Basalt is less siliceous than granite and rhyolite, and contains much more iron, calcium, and magnesium.
From Project Gutenberg
Rhyolite and other forms of lava were last spread over the region.
From Project Gutenberg
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