To dry (blood, serum, or tissue) by freezing in a high vacuum.

synonym: lyophilise.

Roget 670: preserve, maintain, keep, sustain, support, hold; keep up, keep alive; refrigerate, keep on ice; not willingly let die; bank up; nurse; save, rescue; be safe, make safe etc. 664; take care of etc. (care) 459; guard etc. (defend) 717.    stare super antiquas vias [Lat.] [Bacon]; hold one's own; hold one's ground, stand one's ground etc. (resist) 719.    embalm, cure, salt, pickle, season, kyanize^†, bottle, pot, tin, can; sterilize, pasteurize, radiate; dry, lyophilize [Chem], freeze-dry, concentrate, evaporate; freeze, quick-freeze, deep-freeze; husband etc. (store) 636.    ... show more