ピューレックス法ほうMeanings1nounPUREX processTechnical term in nuclear chemistry; refers to the Plutonium Uranium Reduction Extraction process used for reprocessing spent nuclear fuel.ピューレックス法ほうは使し用よう済ずみ核かく燃ねん料りょうの再さい処しょ理りに用もちいられる。The PUREX process is used for reprocessing spent nuclear fuel.