dwarf planet Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “dwarf planet” in the English Dictionary

"dwarf planet" in British English

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dwarf planetnoun [C]

uk   us  
a round ​mass of ​metal and ​rock or ​gas, ​moving around the Sun or another ​star, that is not ​large enough to be ​considered a ​planet. Dwarf ​planets in the solarsysteminclude Ceres, ​Pluto, and Eris.
(Definition of dwarf planet from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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