PLANETOID

 Dictionary entry overview: What does planetoid mean? 

• PLANETOID (noun)
  The noun PLANETOID has 1 sense:

1. any of numerous small celestial bodies that move around the sun

  Familiarity information: PLANETOID used as a noun is very rare.

 Dictionary entry details 

• PLANETOID (noun)

Meaning:

Any of numerous small celestial bodies that move around the sun

Classified under:

Nouns denoting natural objects (not man-made)

Synonyms:

minor planet; planetoid

Hypernyms ("planetoid" is a kind of...):

celestial body; heavenly body (natural objects visible in the sky)

Hyponyms (each of the following is a kind of "planetoid"):

asteroid (any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter))

KBO; Kuiper belt object (any of many minor planets in the Kuiper belt outside the orbit of Neptune at the edge of the solar system)

Instance hyponyms:

Quaoar (a planetoid discovered in 2002)

Sedna (a planetoid of rock and ice about three-quarters the size of Pluto discovered in 2003; the most distant object known to orbit around the sun)

Holonyms ("planetoid" is a member of...):

solar system (the sun with the celestial bodies that revolve around it in its gravitational field)