English Magma Cited by user Kent G. Budge on 09 Feb 2021 Magma (from Ancient Greek μάγμα (mágma) meaning "thick unguent") is the molten or semi-molten natural material from which all igneous rocks are formed.
English Igneous rock Cited by user Rjwilmsi on 27 May 2020 Igneous rock (derived from the Latin word ignis meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic.