Definitions for "Tellurium"
A rare nonmetallic element, analogous to sulphur and selenium, occasionally found native as a substance of a silver-white metallic luster, but usually combined with metals, as with gold and silver in the mineral sylvanite, with mercury in Coloradoite, etc. Symbol Te. Atomic weight 125.2.
A semi metallic element that occurs in a silvery white brittle crystalline form of metallic luster. Used especially in alloys
Like selenium it is used, usually in conjunction with lead, to improve the machinability of steel.
Keywords:  orrery, variety
a variety of orrery