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Noun: Pluto  ploo-tow
  1. A large asteroid that was once thought to be the farthest known planet from the sun; it has an elliptical orbit
    "Pluto was discovered by Clyde Tombaugh in 1930"
     
  2. (Roman mythology) god of the underworld; counterpart of Greek Hades
    - Dis, Dis Pater, Orcus
     
  3. A cartoon character created by Walt Disney

Derived forms: Plutos

Type of: asteroid, character, fictional character, fictitious character, Roman deity

Part of: solar system

Encyclopedia: Pluto, West Virginia