Pertaining to Hades or hell.
Of, or relating to the geological eon.
The Hadean eon; part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago.
Of or relating to Pluto, the Greek and Roman god of the underworld; demonic, infernal.
Pertaining to the astrological influence of Pluto, formerly regarded as a planet.
Synonym of plutonic (“of, pertaining to, or supporting plutonism, the theory that the rocks of 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”)
Of or relating to the dwarf planet Pluto.
Synonym of plutonic (“of or pertaining to rocks formed deep in the Earth's crust, rather than by volcanoes at the surface of the Earth”)
Of, relating to, or having characteristics associated with the underworld; dark, gloomy; mournful.
A person under the astrological influence of Pluto, formerly regarded as a planet.
A proponent of plutonism; a plutonist.
An (imaginary) inhabitant of the dwarf planet Pluto.