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igneous

[ig-nee-uhs] / ˈɪg ni əs /


ADJECTIVE
molten
Synonyms


ADJECTIVE
plutonic
Synonyms






Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Collected in September 2021, the rover’s first sample is thought to be igneous rock from an ancient lava flow.

From Scientific American

The hillsides consist of a mélange of sheared and metamorphosed sedimentary and igneous rocks, crisscrossed with faults that allow water to seep beneath and destabilize the slopes.

From New York Times

As lava cools, it crystallizes into igneous rock, freezing electrons within iron-bearing minerals into patterns that could reveal a magnetic field’s traits, such as its orientation.

From Washington Post

Heavy REEs—those with high atomic numbers, including dysprosium, yttrium, and terbium—are most commonly extracted from masses of clay formed through eons of weathering of igneous rocks such as granite.

From Science Magazine

These igneous rocks contain radioactive elements such as uranium.

From Science Magazine