'Cuprous' definitions:

Definition of 'cuprous'

(from WordNet)
adjective
Of or containing divalent copper [syn: cupric, cuprous]

Definition of 'Cuprous'

From: GCIDE
  • Cuprous \Cu"prous\ (k?"pr?s), a. [From Cuprum.] (Chem.) Of, pertaining to, or derived from, copper; containing copper; -- said of those compounds of copper in which this element is present in its highest proportion. [1913 Webster]