(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.lyophilisation, lyophilization
The Collaborative International Dictionary of English (GCIDE) v.0.53
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. 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 ]
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