/ English Dictionary |
PLANETOID
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
Any of numerous small celestial bodies that move around the sun
Synonyms:
minor planet; planetoid
Classified under:
Nouns denoting natural objects (not man-made)
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)