Definitions from Wiktionary (igneous rock)

▸ noun:  (geology) 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).
▸ Also see igneous_rock



▸ Words similar to igneous rocks
▸ Usage examples for igneous rocks

▸ Idioms related to igneous rocks
▸ Wikipedia articles (New!)
▸ Words that often appear near igneous rocks
▸ Rhymes of igneous rocks

▸ Invented words related to igneous rocks