a method of preparing a biological specimen for electron microscopic study by rapid freezing, cleaving with a sharp knife or razor, and then covering with a thin layer of metal to make the internal structural planes visible.
Origin of freeze fracturing
[freez-frak-cher] /ˈfrizˈfræk tʃər/
verb (used with object), freeze-fractured, freeze-fracturing.
to prepare (material) for the electron microscope by freeze fracturing.