vacuum freeze drying
1Freeze drying — (also known as lyophilization or cryodesiccation) is a dehydration process typically used to preserve a perishable material or make the material more convenient for transport. Freeze drying works by freezing the material and then reducing the… …
2Freeze-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… …
3freeze-drying — noun 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 •… …
4freeze drying — Method commonly adopted to produce a dry and stable form of biological material that has not been seriously denatured. By freezing the specimen, often with liquid nitrogen, and then subliming water from the specimen under vacuum, proteins are… …
5freeze-drying — /freez druy ing/, n. a process for drying heat sensitive substances, as foods, blood plasma, antibiotics, and the like, by freezing the substance and then subliming the ice or other frozen solvent in a high vacuum. [1940 45] * * * …
6freeze-drying — SYN: lyophilization. * * * freeze dry·ing (frēzґdri″ing) a method of tissue preparation in which the tissue specimen is frozen and then dehydrated at low temperature in a high vacuum. See also lyophilization …
7freeze drying — dehydration in a vacuum from a frozen condition …
8freeze drying — a method for the fixation of histological specimens, involving a minimum of chemical and physical change. Specimens are immersed in isopentane cooled to 190°C in liquid air. This fixes the tissue instantly, without the formation of large ice… …
9freeze-drying — n. (Biochemistry) lyophilization, dry blood plasma or other biological substances by freezing in a vacuum …
10freeze drying — a method for the fixation of histological specimens, involving a minimum of chemical and physical change. Specimens are immersed in isopentane cooled to –190°C in liquid air. This fixes the tissue instantly, without the formation of large ice… …