Cr

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a hard brittle multivalent metallic element;
resistant to corrosion and tarnishing (Freq. 3)
• Syn:
chromium, atomic number 24
• Hypernyms:
metallic element, metal
• Hyponyms:
chrome
• Substance Holonyms:
chromite

• Từ đồng nghĩa / Synonyms:
  chromium, Cr, atomic number 24