1. (noun) rock formed by the solidification of molten magma

• adesite
• andesite
• aplite
• batholite
• batholith
• pluton
• plutonic rock
• diorite
• gabbro
• groundmass
• pegmatite
• peridotite
• porphyritic rock
• porphyry
• rhyolite
• volcanic rock

1. (noun) rock formed by the solidification of molten magma

• rock
• stone