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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
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The dwarf planet of destruction and reinvention spent 14 years in Capricorn before beginning to tiptoe back and forth across the border to Aquarius last year.
—Jennifer Culp, Them, 1 Nov. 2024
Pluto, now classified as a dwarf planet along with Eris, is just one of the largest among the scores of icy bodies that exist there — and doesn’t dominate its own orbit and clear the orbit of other objects.
—Jacopo Prisco, CNN, 5 Nov. 2024
Their distribution on the planet was mapped out in greater detail when New Horizons skimmed past the dwarf planet.
—Shi En Kim, Smithsonian Magazine, 22 Oct. 2024
Starting in September, the dwarf planet that rules long cycles of permanent change gives you a break for three months.
—Jennifer Culp, Them, 16 Aug. 2024
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Word History
First Known Use
1993, in the meaning defined above
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Cite this Entry
“Dwarf planet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dwarf%20planet. Accessed 22 Nov. 2024.
Kids Definition
dwarf planet
noun
: a celestial object similar to a planet but too small to clear other objects from its orbit
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