deindustrialization Syllabification: (de·in·dus·tri·al·i·za·tion)Pronunciation: /ˌdē-inˌdəstrēəliˈzāSHən/Definition of deindustrialization noun decline in industrial activity in a region or economy:severe deindustrialization with substantial job lossesDerivatives deindustrializePronunciation: /-ˈdəstrēəˌlīz/ verb deindustrialization in other Oxford dictionaries Definition of deindustrialization in the British & World English dictionary