• (a.) 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. Found on http://thinkexist.com/dictionary/meaning/cuprous/
Cu'prous adjective [ From Cuprum .] (Chemistry) 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. Found on http://www.encyclo.co.uk/webster/C/203