sodium bicarbonate
US /ˌsoʊ.di.əm baɪˈkɑːr.bən.ət/
UK /ˌsoʊ.di.əm baɪˈkɑːr.bən.ət/
1.
a white crystalline compound, NaHCO₃, with a slightly alkaline taste, used in baking powder, effervescent salts, and antacids, and as a cleaning agent; baking soda.
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Add a teaspoon of sodium bicarbonate to the mixture for leavening.
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Sodium bicarbonate can be used to neutralize odors.