plutonic

adj

1. (alt-of)Alternative letter-case form of Plutonic.
2. (not-comparable)Containing plutonium in a higher oxidation state.
3. (Greek, Roman)Synonym of Plutonian (“of or relating to Pluto, the Greek and Roman god of the underworld; demonic, infernal”).
4. (broadly)Synonym of Plutonian (“of, relating to, or having characteristics associated with the underworld; dark, gloomy; mournful”).

   “a dark, handsome lady, of no little majesty, and rather like a plutonic Madonna”

5. (broadly)Of or pertaining to rocks formed deep in the Earth's crust, rather than by volcanoes at the surface of the Earth.

   “These cliffs, I may remark, are basaltic, and therefore plutonic.”

6. (broadly, historical)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”).