Zirconium n. : A rare element of the carbon-silicon group, intermediate between the metals and nonmetals, obtained from the mineral zircon as a dark sooty powder, or as a gray metallic crystalline substance. Symbol Zr. Atomic weight, 90.4.

Example:
What is Zirconium, and how do people use it in their everyday life ?

Taxonomy
Zirconium, compounds, Zr, half-life, mineral zircon, zirconium tetrachloride, isotopes, minerals, zirconia, agent, corrosion, elements, free encyclopedia, kJ, Isotopes of zirconium, zirconium dioxide, new element, US Geological Survey.

Defination from the web:
... Zirconium is used as an alloying agent due to its high resistance to corrosion. ... Zirconium is a lustrous, grayish-white, soft, ductile, and malleable metal which is solid at room temperature, ...