Prussian blue

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. any of various blue pigments (Freq. 1)
• Syn:
iron blue
• Hypernyms:
pigment
2. a dark greenish-blue color
• Hypernyms:
blue, blueness

• Từ đồng nghĩa / Synonyms:
  Prussian blue, iron blue