freeze drying
present participle of freeze-dry
/ˈfriz ˌdraɪɪŋ/
verb
- To preserve something by freezing it and then removing the ice in a vacuum.
- They freeze-dry the berries to keep them fresh for months.
- You can freeze-dry almost any food, from ice cream to vegetables.
- The lab freeze-dries samples to study them under a microscope.
noun
- A process of preserving something by freezing it and then removing the ice in a vacuum, so that it becomes dry and can be stored for a long time.
- The company specializes in freeze-drying fruits for healthy snacks.
- Freeze-drying preserves the flavor and nutrients of the original food.
- Freeze-drying is commonly used to make instant coffee and astronaut food.