Meaning of freeze fracturing

freeze' frac"turing

Pronunciation: [key]
— Biol. Biol.
  1. 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.