bicarbonate of soda
nounUK /baɪˈkɑːbənət əv ˈsəʊdə/
US /baɪˈkɑːrbənət əv ˈsoʊdə/
A white powder you mix with other things to make cakes rise and get fluffy.
Add a teaspoon of bicarbonate of soda to the flour before baking.
RELATED WORDS
OTHER MEANINGS
2. A mild alkali used to settle an upset stomach.
He took bicarbonate of soda in water to calm his indigestion.
3. A household cleaner that removes smells and stains.
She sprinkled bicarbonate of soda in the fridge to kill the odors.
4. A chemical used in fire extinguishers and laboratories.
The lab keeps bicarbonate of soda on hand to neutralize acid spills.