From Longman Dictionary of Contemporary Englishretail price indexˌretail ˈprice ˌindex noun (abbreviation RPI) → the retail price index
Examples from the Corpus
retail price index• The account pays interest at 4.5% gross over the headline retail price index.• The value of these stocks is uprated each year in line with changes in the retail price index.• The state pension is increased annually in line with the retail price index.From Longman Business DictionaryRetail Price IndexˌRetail ˈPrice ˌIndex abbreviation RPI [singular]ECONOMICS the official CONSUMER PRICE INDEX in BritainPrice increases for food, alcohol and petrol helped to drive the retail price index 0.7% higher in October. → index 