Etymology
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freeze-dried (adj.)

1946, from freeze (v.) + past participle of dry (v.).

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Definitions of freeze-dried

freeze-dried (adj.)
used of tissue or blood or serum or other biological substances; dried by freezing in a high vacuum;
Synonyms: lyophilized / lyophilised
freeze-dried (adj.)
preserved by freezing and drying in a vacuum;
freeze-dried coffee
From wordnet.princeton.edu