dwarf planet

noun

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

Examples of dwarf planet in a Sentence

Recent Examples on the Web Long believed to be the ninth planet in our solar system, Pluto's planetary status was downgraded to a dwarf planet by the International Astronomical Union in 2006. Brenna Gauchat, The Arizona Republic, 26 Mar. 2024 Since its discovery in Flagstaff, Pluto has become Arizona's favorite dwarf planet. Brenna Gauchat, The Arizona Republic, 26 Mar. 2024 See all Example Sentences for dwarf planet 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dwarf planet.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1993, in the meaning defined above

Time Traveler
The first known use of dwarf planet was in 1993

Dictionary Entries Near dwarf planet

Cite this Entry

“Dwarf planet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dwarf%20planet. Accessed 29 May. 2024.

Kids Definition

dwarf planet

noun
: a celestial object similar to a planet but too small to clear other objects from its orbit
Last Updated: - Updated example sentences
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