1. A method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes
   - lyophilization, lyophilisation [Brit]

1. Preserve by rapid freezing and subsequently drying in a vacuum
   "freeze-dry the strawberries"

Derived forms: freeze-dryings

Type of: dehydration, desiccation, drying up, evaporation, freeze, freezing, keep, preserve

Encyclopedia: Freeze-drying

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