planetoid

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of numerous small celestial bodies that move around the sun (Freq. 1)
• Syn:
minor planet
• Hypernyms:
celestial body, heavenly body
• Hyponyms:
asteroid, Kuiper belt object, KBO
• Instance Hyponyms:
Quaoar, Sedna
• Member Holonyms:
solar system