prebreak adjective 1noun 1verb 1forms 4 adjective1 •Before a break.The Knicks’ prebreak ineptitude appeared set to continue on the game’s first possession, which ended with a shot-clock violation as Jamal Crawford air-balled a desperate 3-pointer. — 2008 noun1 •The initial stage of processing, in which material is prebroken.The incoming material is coarsely ground (prebreak), and placed in steam-jacketed cookers. — 1989 verb1 •To break up large chunks of material into a size that is more convenient for further processing.Prebreakers are used to prebreak or crush cocoa presscakes, fats, large fruit or vegetables, whole fish, bones, etc. — 1963 formsprebroke · prebroken · prebreaking · prebreaks