'Plumbous' definitions:

Definition of 'plumbous'

From: WordNet
adjective
Relating to or consisting of lead [syn: plumbic, plumbous]

Definition of 'Plumbous'

From: GCIDE
  • Plumbous \Plum"bous\, a. [From Plumbum.] (Chem.) Of, pertaining to, or containing, lead; -- used specifically to designate those compounds in which it has a lower valence as contrasted with plumbic compounds. [1913 Webster]