Definition of atomic number 40 Atomic number 40
We found 1 definitions of atomic number 40 from 1 different sources.
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What does atomic number 40 mean?
WordNet
Noun |
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| atomic number 40 - 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 | ||
| zirconium, Zr | ||
| metallic element, metal any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | ||
| baddeleyite a mineral consisting of zirconium oxide | ||
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