igneous rock

[ (ig-nee-uhs) ]

Rocks formed by the cooling and solidifying of molten materials. Igneous rocks can form beneath the Earth's surface, or at its surface, as lava.

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Nearby words

ignatius, ignatius loyola, ignatius of loyola, ignatius of loyola, saint, igneous, igneous rock, ignescent, ignimbrite, ignipuncture, ignis fatuus, ignite

Note

Granite, solid volcanic lava, and basalt are examples of igneous rock.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.