dwarf planet

noun
Updated on: 14 Jan 2018

Definition of dwarf planet

: a celestial body that orbits the sun and has a spherical shape but is not large enough to disturb other objects from its orbit

Recent Examples of dwarf planet from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dwarf planet.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of dwarf planet

1993


DWARF PLANET Defined for Kids

dwarf planet

noun

Definition of dwarf planet for Students

: a heavenly body similar to a planet but too small to clear other objects from its orbit

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