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English definition of “bicarbonate of soda”

bicarbonate of soda

noun [U] uk   /baɪˌkɑː.bən.ət.əvˈsəʊ.də/ us    /-ˌkɑːr.bən.ət.əvˈsoʊ-/ mainly UK (US usually baking soda)
a white powder used to make foods rise in baking: Mix together 250 g plain flour and a teaspoon of bicarbonate of soda and then add to the cake mixture.Additives in food and drinks
(Definition of bicarbonate of soda from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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