Freeze-dry meaning
To preserve (food, for example) by rapid freezing and drying in a high vacuum.
verb
To subject (food, vaccines, etc.) to quick-freezing followed by drying under high vacuum at a low temperature: a freeze-dried product, as food, will keep for long periods at room temperature.
verb
To preserve a substance, such as food, by freezing it rapidly and placing it in a vacuum chamber, where the water frozen in the substance evaporates through sublimation.
To remove volatile liquid from a substance by sublimation (normally under vacuum) from the frozen state.
verb
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