Red Planet

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye;
minerals rich in iron cover its surface and are responsible for its characteristic color
- Mars has two satellites
• Syn:
Mars
• Derivationally related forms:
Martian (for: Mars)
• Instance Hypernyms:
terrestrial planet, superior planet
• Member Holonyms:
solar system