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atomic number 40

 
Noun atomic number 40 has 1 sense
  1. zirconium, Zr, atomic number 40 - a lustrous gray 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
    --1 is a kind of metallic element, metal
    --1 is a substance of baddeleyite; zircon, zirconium silicate
atomic number 32 atomic number 33 atomic number 34 atomic number 35 atomic number 36 atomic number 37 atomic number 38 atomic number 39 atomic number 40 atomic number 41 atomic number 42 atomic number 43 atomic number 44 atomic number 45 atomic number 46 atomic number 47 atomic number 48

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