Dictionary
Plu•to•ni•an
Pronunciation: (plOO-tō'nē-un), [key]—
adj.
Also,Plu•ton•icPronunciation: (plOO-ton'ik). [key]of, pertaining to, or resembling Pluto or the lower world; infernal.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.