from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A trans-Neptunian dwarf planet.


from Wiktionary, Creative Commons Attribution/Share-Alike License

Plut(o) + -oid


  • OK, Pluto is now a "plutoid" as are many other asteroids that are the size of pluto -- pay attention science teachers -- plutoid should now be in your book.

    Archive 2008-06-01

  • Planet Pluto fans rebel against 'plutoid' designation, New Scientist

    NASA Watch: Space Science News: June 2008 Archives

  • Today, in her retirement flat in Surrey, England, Phair learned she would have to settle for having named a "plutoid."

    The Girl Who Named a Planet

  • Pluto gets a new name: plutoid | Oddly Enough | Reuters

    Archive 2008-06-01

  • Last year the IAU went further by reclassifying Pluto as a plutoid, essentially ruling out Pluto's planetary status because it sits beyond Neptune and fails to clear out asteroids and other smaller debris from its orbital neighborhood.


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  • The new, unfortunate-sounding name for dwarf planets like, umm, Pluto. See this news article for the rationale.

    June 12, 2008