略語大辞典 [Phys] 21 PWR pressurized water reactor 加圧水型原子炉. 軽水炉の型. pressurized water reactor; a nuclear fission reactor; a type of LWR(light water reactor); ref. BWR(boiling water reactor); [Phys:E]. 丸善「略語大辞典」JLogosID : 11857103