bicarbonate of soda: meaning, definition, pronunciation and examples
MediumEveryday, Technical
Quick answer
What does “bicarbonate of soda” mean?
A white crystalline powder (NaHCO₃) used as a leavening agent in baking and as an antacid.
Audio
Pronunciation
Definition
Meaning and Definition
A white crystalline powder (NaHCO₃) used as a leavening agent in baking and as an antacid.
The compound sodium bicarbonate, also used in cleaning, fire extinguishers, and various household and industrial applications.
Dialectal Variation
British vs American Usage
Differences
In the UK, 'bicarbonate of soda' is the standard term for the culinary and household chemical. In the US, 'baking soda' is overwhelmingly more common, with 'bicarbonate of soda' being more formal or scientific.
Connotations
In the UK, the term is neutral and domestic. In the US, it can sound slightly old-fashioned, technical, or British.
Frequency
'Baking soda' is the dominant term in American English. 'Bicarbonate of soda' is standard in British English but may be shortened colloquially to 'bicarb'.
Grammar
How to Use “bicarbonate of soda” in a Sentence
Add [quantity] of bicarbonate of soda to [substance].Mix bicarbonate of soda with [acidic ingredient].[Substance] reacts with bicarbonate of soda.Vocabulary
Collocations
Usage
Meaning in Context
Business
Suppliers of food-grade and industrial-grade sodium bicarbonate.
Academic
The reaction of bicarbonate of soda with acetic acid produces carbon dioxide gas.
Everyday
I need to get some bicarbonate of soda for the scones.
Technical
Sodium bicarbonate (NaHCO₃) is a buffer in physiological systems.
Vocabulary
Synonyms of “bicarbonate of soda”
Watch out
Common Mistakes When Using “bicarbonate of soda”
- Confusing it with 'baking powder', which contains bicarbonate of soda plus an acid.
- Using 'soda' alone, which is ambiguous.
- Misspelling as 'bicarbonate soda' (omitting 'of').
FAQ
Frequently Asked Questions
No. Baking powder contains bicarbonate of soda plus a dry acid. Bicarbonate of soda needs an acidic ingredient in the recipe (like lemon juice or yogurt) to work.
Yes, it's a mild abrasive and deodoriser, commonly used to clean sinks, fridges, and as a laundry booster.
Baking powder provides general leavening. An extra pinch of bicarbonate of soda may be added to neutralise the acidity from ingredients like brown sugar or buttermilk, which also gives a browner colour.
Food-grade bicarbonate of soda is edible and used in baking. Industrial or technical grades may not be safe for consumption.
A white crystalline powder (NaHCO₃) used as a leavening agent in baking and as an antacid.
Bicarbonate of soda is usually everyday, technical in register.
Bicarbonate of soda: in British English it is pronounced /ˌbaɪˈkɑː.bən.ət əv ˈsəʊ.də/, and in American English it is pronounced /ˌbaɪˈkɑːr.bən.ət əv ˈsoʊ.də/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: BIO CARBonate – it releases carbon dioxide to make things rise.
Conceptual Metaphor
A WORKHORSE/CLEAN SLATE (used for multiple cleaning and freshening tasks).
Practice
Quiz
What is the primary chemical name for bicarbonate of soda?