sodium hydrogen carbonate
Definition
Noun: A white, crystalline, water-soluble chemical compound with the formula NaHCO₃. It is commonly used as a leavening agent in baking, an ingredient in effervescent beverages and antacid medications, and for various cleaning purposes. Chemically, it is known as sodium bicarbonate.
Examples of Usage
- The recipe calls for one teaspoon of sodium hydrogen carbonate to make the cake rise.
- Sodium hydrogen carbonate is often an active ingredient in over-the-counter heartburn relief tablets.
- In the laboratory, a solution of sodium hydrogen carbonate can be used to neutralize mild acids.
Advanced Usage
- Chemical and Industrial Use: Beyond culinary and medicinal applications, sodium hydrogen carbonate is used in fire extinguishers (as it releases carbon dioxide when heated), as a mild abrasive in cleaning products, and in chemical processes to buffer pH levels.
- "Bicarb": In informal and culinary contexts, it is frequently shortened to "bicarb."
Variants and Related Words
- Sodium Bicarbonate (n): The most common synonym and alternative chemical name.
- Baking Soda (n): The prevalent name for this compound in culinary and household contexts.
- Bicarbonate of Soda (n): Another common term, especially in British English.
- NaHCO₃ (n): The chemical formula representing the compound.
Synonyms
- Baking soda
- Sodium bicarbonate
- Bicarbonate of soda
Related Phrases and Idioms
- No direct idioms or phrasal verbs are commonly associated with this specific chemical compound. Its usage is primarily technical, culinary, or commercial.
Noun
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a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid
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