Definition of dwarf planet in English:

dwarf planet

Syllabification: dwarf plan·et

noun

Astronomy
A celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such.
More example sentences
  • In 2006 Pluto was officially downgraded from planet to dwarf planet, causing much controversy in astronomical circles.
  • A paper in the journal Science has further relegated poor Pluto's status by proving that twin dwarf planet Eris is 27 per cent larger.
  • Ceres and Xena will also be considered dwarf planets.

Definition of dwarf planet in:

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Word of the day keek
Pronunciation: kēk
verb
peep surreptitiously