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nouna 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
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Definition that contains zirconium
- zircon a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent
- hf a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
- hafnium a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
- baddeleyite a mineral consisting of zirconium oxide
- zirconium silicate a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent
- atomic number 72 a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons