From penta- + copper. <span class="searchmatch">pentacopper</span> (uncountable) (chemistry, in combination) Five atoms of copper in a chemical compound....
pentacoordinate pentacoordinated pentacoordinating pentacoordination <span class="searchmatch">pentacopper</span> pentacovalent pentacube pentacuspid pentacuspidate pentacycle pentacyclic...
octahedral copper octahedral copper ore organocopper peacock copper <span class="searchmatch">pentacopper</span> pentadecacopper phosphor copper purple copper purple copper ore pyritous...