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Definitions

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.

Heavy rare earths are formed over millions of years, as rainfall weathers igneous rocks, breaking them down and leaving elements concentrated near the surface.

From Barron's • Dec. 21, 2025

In the process they learned that “a mid-crust composed of fractured igneous rocks saturated with liquid water best explains the existing data.”

From Salon • Aug. 14, 2024

"Our capability to infer that the maturation stages were somehow influenced by igneous intrusions based on a small sample size is really exciting!"

From Science Daily • May 7, 2024

Now if you were awake in high school science class, you’re thinking, igneous rock: volcanic lava.

From Los Angeles Times • May 3, 2024

Were this the fact, igneous rock should be found about it.

From The Geography of the Region about Devils Lake and the Dalles of the Wisconsin by Atwood, Wallace W.




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