Ni

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a hard malleable ductile silvery metallic element that is resistant to corrosion;
used in alloys;
occurs in pentlandite and smaltite and garnierite and millerite
• Syn:
nickel, atomic number 28
• Derivationally related forms:
nickel (for: nickel)
• Hypernyms:
metallic element, metal
• Substance Holonyms:
garnierite, millerite, pentlandite, smaltite