Found 2 items, similar to Freeze-drying.
English → English (WordNet) Definition: freeze-drying freeze-drying n : 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 [syn: lyophilization, lyophilisation]
English → English (gcide) Definition: Freeze-drying Freeze-dry \Freeze"-dry`\ (fr[=e]z"-dr[imac]`), v. t. [imp. & p. p. Freeze-dried; p. pr. & vb. n. 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. [PJC]