ice dwarf

plural ice dwarfs

1. astronomyAn 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.

   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.

   2010, BioWare, Mass Effect 2 (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: Maisuth, Ondeste System

   Synonyms: dwarf planet

2. astronomyA centaur or transneptunian object.
3. astronomyAn astronomical object that is larger than the core of a typical comet and icier than a typical asteroid.