planetoid

1. 1.

   any of numerous small celestial bodies that move around the sun

   Synonymsminor planet

   Broadercelestial body

   NarrowerasteroidKuiper belt objectQuaoarSedna

   Part ofsolar system

Other forms of planetoid

plural

planetoids·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about planetoid

What does planetoid mean?

planetoid means "any of numerous small celestial bodies that move around the sun".

How many syllables are in planetoid?

planetoid has 3 syllables: pla-ne-toid. The stress falls on "pla".

What is another word for planetoid?

Close synonyms include minor planet. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is planetoid a common word?

planetoid is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.