self–rising flour

self–rising flour /ˈsɛlfˈraɪzɪŋ-/ noun
self–rising flour
/ˈsɛlfˈraɪzɪŋ-/
noun
Britannica Dictionary definition of SELF–RISING FLOUR
[noncount] US
: a mixture of flour, salt, and baking powder
— called also (British) self-raising flour