Alternative letter-case form of Plutonic

(inorganic chemistry) Containing plutonium in a higher oxidation state.

(Greek mythology, Roman mythology) Synonym of Plutonian (“of or relating to Pluto, the Greek and Roman god of the underworld; demonic, infernal”)

(geology) The formation of plutonic rocks

(mineralogy) A body of igneous rock formed beneath the surface of the earth by consolidation of magma

plural of pluton

plural of plutonism

The old geological theory that the rocks forming the Earth were formed in fire by volcanic activity, with a continuing gradual process of weathering and erosion, then deposited on the sea bed, re-formed into layers of sedimentary rock by heat and pressure, and raised again.

(inorganic chemistry) Any oxyanion of plutonium; any salt containing such an anion

(inorganic chemistry) Containing plutonium in a low oxidation state