the world > matter > chemistry > elements and compounds > metals > specific elements > lead > [adjective] (6)
Chemistry. Of, relating to, or containing lead, esp. in the tetravalent state. Cf. plumbous, adj. 2.
Chemistry. Of, relating to, or containing lead, spec. in the divalent state (and formerly also in a supposed monovalent state). Cf. plumbic, adj. 1.