1) Dehydration 2) Desiccation 3) Drying up 4) Evaporation 5) Freeze 6) Freeze-drying 7) Freezing 8) Lyophilisation 1) Lyophilisation 
freeze-drying
Rapid freezing of a material at low temperature followed by rapid dehydration by sublimation in a high vacuum. A method used to preserve biological specimens or to concentrate macromolecules with little or no loss of activity. (Also freeze-drying.) 
The process of isolating a solid substance from solution by freezing the solution and evaporating the ice under vacuum. ... Synonym: freeze-drying. ... (05 Mar 2000) ... 
(li-of″ĭ-lĭ-za´shәn) the creation of a stable preparation of a biologic substance by rapid freezing and dehydration of the frozen product under high vacuum. See also freeze-drying.
Now generally restricted to mean freeze drying - removal of water by sublimation under vacuum.
Type: Term Pronunciation: lī-of′i-li-zā′shŭn Definitions: 1. The process of isolating a solid substance from solution by freezing the solution and evaporating the ice under vacuum. 2. The process of imparting lyophilic properties to a substance. Synonyms: freeze-drying
Lyophilization: A process by which material is rapidly frozen and dehydrated under high vacuum.
rapid freezing, followed by placement under a vacuum, of a material so that water is lost by sublimation, thereby inhibiting microbial growth