- lead, Pb, 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"
--1 is a kind of metallic element, metal
--1 is a substance of galena; cerussite, white lead ore
--1 has particulars: hard lead; hard lead, antimonial lead; pig lead