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ice dwarf (plural ice dwarfs)

  1. (astronomy) An icy planetoid: an astronomical object, such as Pluto, Sedna or (for some authors) Ceres that is large enough to be a world and contains more ice than a typical asteroid.
    • 2010, BioWare, Mass Effect 2 (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: Maisuth, Ondeste System:
      Farthest from the dim red dwarf Ondeste, the ice dwarf Maisuth has attracted no interest beyond a cursory flyby by automated probe in 1874. No significant resources were noted.
  2. (astronomy) A centaur or transneptunian object.
  3. (astronomy) An astronomical object that is larger than the core of a typical comet and icier than a typical asteroid.

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