extructor noun2 •A prebreaker.The frozen fish were first reduced to about 1-inch pieces by one pass through a Rietz extructor (prebreaker). — 1964 •An industrial machine for mixing, chopping, and kneading substances.Extructor: Continuously mixes and blends solids and liquids where paste and plastic masses are handled that are too viscous for the Scott - Rietz Disintegrator . — 1970 formsextructors
