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Word of the Day Tuesday, June 9, 2026

planetoid

/ˈplæn.tɔɪd/ noun · British & US
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What does planetoid mean?

noun

A small body orbiting the Sun, typically in the asteroid belt between Mars and Jupiter, or a natural satellite of a planet.

Example

"The discovery of a new planetoid in the outer reaches of the solar system sparked excitement among astronomers."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for planetoid

Antonyms of planetoid

Rhymes with planetoid

Etymologically related