a commercially prepared mixture of flour and salt and a leavening agent (self-rising flour)
Self-rising flour is flour that makes cakes rise when they are cooked because it has chemicals added to it. a type of flour that contains baking powder British Equivalent: self-raising flour (self-rising flour)
Etymology: [ 'self, Southern also 's ] (pronoun.) before 12th century. Middle English , from Old English; akin to Old High German selb, intensive pronoun, and probably to Latin suus one's own; more at SUICIDE.