spelter

English Thesaurus

1. impure zinc containing about three percent lead and other impurities (especially in the form of ingots) (noun.substance)

hypernym	:	atomic number 30, zinc, zn,
definition	:	a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc sulphide in zinc blende (noun.substance)