igneous rocks

A form of igneous rock — One 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).

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Meanings

noun
  1. pluralplural of igneous rock
Cite this entry
APA

igneous rocks. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/igneous%20rocks

MLA

“igneous rocks.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/igneous%20rocks. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “igneous rocks,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/igneous%20rocks.

Source: igneous rocks on Wiktionary, CC BY-SA 4.0.