n. the preparation of biological material for electron microscopic study by freeze fracturing and subliming a layer of ice crystals from the fractured plane to expose the natural surfaces. [1965–70]freeze′-etch`,v.t. -etched, -etch•ing.
freeze etching
freeze etching
[′frēz ‚ech·iŋ] (cryogenics) A method using cryogenics to prepare specimens for study with a microscope.