freeze-drying

Definitions of freeze-drying
  1. noun
    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
    synonyms: lyophilisation, lyophilization
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    type of:
    dehydration, desiccation, drying up, evaporation
    the process of extracting moisture
    freeze, freezing
    the withdrawal of heat to change something from a liquid to a solid
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