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verb Freeze-dry v. t. (past & past part. freeze-dried; pres. part. freeze-drying) To remove the moisture from (e.g. food) by first freezing and then subjecting to a high vacuum; used as a mild method for drying foods or chemicals while causing little decomposition, in contrast to heat-drying. Note: This is a relatively gently drying process used to preserve food or sensitive biological materials. For biochemical materials, the term lyophilize is often used.
adjective freeze-dried adj. Dried by freezing and applying a vacuum; used of tissue or blood or serum or other biological substances. Note: This technique is gentler than other drying techniques and caused less damage or deterioration to sensitive substances. It is used primarily as a method to preserve foods or substances, and permit storage without deterioration. Synonyms: lyophilized, lyophilised.
Collaborative International Dictionary of English 0.48
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