Oxford Dictionary English mass production nounnoun BrE BrE//ˌmæs prəˈdʌkʃn// ; NAmE NAmE//ˌmæs prəˈdʌkʃn// [uncountable] Add to my wordlistjump to other resultsthe process of producing goods in large quantities, using machinery the mass production of consumer goodsCheck pronunciation: mass production oxfordlearnersdictionaries.com