1) Metal 2) Metallic element 3) Plumbic 1) Plumbic 
• (a.) Of, pertaining to, or containing, lead; -- used specifically to designate those compounds in which it has a lower valence as contrasted with plumbic compounds.
Plum'bous adjective [ From Plumbum .] (Chemistry) Of, pertaining to, or containing, lead; -- used specifically to designate those compounds in which it has a lower valence as contrasted with plumbic compounds. 
look under Lead
plumbous 1. A reference to, or containing, lead; used specifically to designate those compounds in which it has a lower valence as contrasted with plumbic (high valence) compounds. 2. Relating to or consisting of lead.