臭粉 Traditional form: 臭粉 Pinyin (reading): chòufěn Definitions: baking ammonia (ammonium bicarbonate) Characters: 臭 - to reek, to smell, to stink 粉 - powder, flour, cosmetic powder; plaster Traditional characters: 臭 - to reek, to smell, to stink 粉 - powder, flour, cosmetic powder; plaster