minor planet

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of numerous small celestial bodies that move around the sun
• Syn:
planetoid
• Hypernyms:
celestial body, heavenly body
• Hyponyms:
asteroid, Kuiper belt object, KBO
• Instance Hyponyms:
Quaoar, Sedna
• Member Holonyms:
solar system