sodium bicarbonate

Từ điển Oxford Advanced Learner 8th

ˌsodium biˈcarbonate [sodium bicarbonate] BrE NAmE (also biˌcarbonate of ˈsoda, ˈbaking soda) (also informal bi·carb) noun uncountable (symb. NaHCO 3)
a chemical in the form of a white powder that dissolves and is used in baking to make cakes, etc. rise and become light, and in making ↑fizzy drinks and some medicines
See also: ↑baking soda ▪ ↑bicarb ▪ ↑bicarbonate of soda