|
Definition of Igneous rock
1. Noun. Rock formed by the solidification of molten magma.
Generic synonyms: Rock, Stone
Specialized synonyms: Andesite, Aplite, Groundmass, Adesite, Batholite, Batholith, Pluton, Plutonic Rock, Diorite, Gabbro, Pegmatite, Peridotite, Rhyolite, Volcanic Rock, Porphyritic Rock, Porphyry
Terms within: Sodalite
Specialized synonyms: Andesite, Aplite, Groundmass, Adesite, Batholite, Batholith, Pluton, Plutonic Rock, Diorite, Gabbro, Pegmatite, Peridotite, Rhyolite, Volcanic Rock, Porphyritic Rock, Porphyry
Terms within: Sodalite
Definition of Igneous rock
1. 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) ¹
¹ Source: wiktionary.com