A soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey WordNet 3.0 & Open English WordNet

Lead is a chemical element; it has symbol Pb and atomic number 82. Wikipedia

Chemical element with symbol Pb and atomic number 82. Wikipedia Disambiguation

Chemical element with symbol Pb and atomic number 82 Wikidata

A heavy toxic bluish-white metallic element with symbol Pb and atomic number 82 that is highly malleable; occurs principally as galena and is used in alloys, accumulators, cable sheaths, paints, and as a radiation shield. OmegaWiki

A heavy, pliable, inelastic metal element, having a bright, bluish color, but easily tarnished; both malleable and ductile, though with little tenacity. It is easily fusible, forms alloys with other metals, and is an ingredient of solder and type metal. Atomic number 82, symbol Pb (from Latin plumbum). Wiktionary