Gd

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group
• Syn:
gadolinium, atomic number 64
• Hypernyms:
metallic element, metal
• Substance Holonyms:
gadolinite, ytterbite, samarskite