MSH: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.19, symbol Pb. (Dorland, 28th),CSP: soft grayish blue metal with poisonous salts; symbol, Pb, atomic number 82.,NCI: An element with atomic symbol Pb, atomic number 82, and atomic weight 207.2.,CHV: metal,CHV: metal,CHV: metal