Fermentation
Pronunciation: /ˌfɜːrmənˈteɪʃən/
Fermentation (noun)
- A process where yeast or bacteria change sugars in food or drink into other substances, often making it taste or smell different.
- A chemical change in which cells break down sugars to make energy when oxygen is not available.
- A change in a substance that causes bubbling or sour smells, sometimes happening when it is stored too long.
Examples
- Fermentation helps turn milk into yogurt.
- Fermentation is used to make bread dough rise.