self-raising flourˌself-raising ˈflour noun [uncountable] British English a type of flour that contains baking powder一种含有泡打粉的面粉tipo de harina que contiene levadura en polvotipo de farinha que contém fermento em póベーキングパウダーを含む小麦粉の一種베이킹파우더가 들어 있는 밀가루의 한 종류 SYN self-rising flour American English → plain flour