Igneous rock

Noun

Word Frequency: 0.4

Definitions

1.NounOne of the major groups of rock that makes up the crust of the Earth; formed by the cooling of molten rock, either below the surface (intrusive) or on the surface (extrusive).

Synonyms

metamorphic rock sedimentary rock intrusive rock magmatic magmatism latite orthogneiss eruptive basalt xenolith host rock

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