noun
- a salt or ester containing the group HSO₃⁻, formed by the reaction of sulfurous acid with a base or alcohol
Usage: chemistry; also spelled bisulphite in British English
Examples
- Sodium bisulfite is commonly used as a preservative in food and wine production.
- The laboratory technician prepared a bisulfite solution for the experiment.
- Bisulfite compounds are effective at removing chlorine from water.
- Wine makers add potassium bisulfite to prevent oxidation and microbial spoilage.
- The reaction produced sodium bisulfite as a byproduct.