Plutonian

(plo̵̅o̅ tōnē ən)

adjective

of or like Pluto or the infernal regions

Origin: L Plutonius < Gr Ploutōnios

See Plutonian in American Heritage Dictionary 4

adjective
  1. Of or relating to the god Pluto or the underworld; infernal.
  2. Of or relating to the dwarf planet Pluto.
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