double declining balance
From Longman Business DictionaryRelated topics: Financedouble declining balanceˌdouble ˌdeclining ˈbalance ACCOUNTING a method of calculating DEPRECIATION (=the gradual loss in something’s value) where twice the normal rate is subtracted in each period of time. For example, for an asset depreciated over five years, 40% of its remaining value is depreciated each year, not 20%. → balance