atomic number 82 - a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull gray; "the children were playing with lead soldiers"metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. galena - soft blue-gray mineral; lead sulfide; a major source of lead hard lead - unrefined lead that is hard because of the impurities it contains |