zirconium

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a lustrous grey strong metallic element resembling titanium;
it is used in nuclear reactors as a neutron absorber;
it occurs in baddeleyite but is obtained chiefly from zircon
• Syn:
Zr, atomic number 40
• Hypernyms:
metallic element, metal
• Substance Holonyms:
baddeleyite, zircon, zirconium silicate

• Từ đồng nghĩa / Synonyms:
  Zr, atomic number 40