. "The chemical reactions and pathways resulting in the breakdown of a deoxyribonucleoside diphosphate, a compound consisting of a nucleobase linked to a deoxyribose sugar esterified with diphosphate on the sugar." . . . "deoxyribonucleoside diphosphate catabolic process" . "deoxyribonucleoside diphosphate breakdown" . "deoxyribonucleoside diphosphate catabolism" . "deoxyribonucleoside diphosphate degradation" . . . .