verb
to preserve a substance by freezing it and then drying it in a vacuum
adjective
describing a process or product that has been preserved by freeze drying
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The process of freeze drying involves removing moisture from a substance at a low temperature.
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I heard you can freeze dry fruit to make it last longer.
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I'm going to try freeze drying some snacks for our camping trip.
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The idea of freeze drying memories through photographs is intriguing.