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Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   atomic number 52
       n 1: a brittle silver-white metalloid element that is related to
            selenium and sulfur; it is used in alloys and as a
            semiconductor; occurs mainly as tellurides in ores of
            copper and nickel and silver and gold [syn: tellurium,
            Te, atomic number 52]