略語大辞典 [E] 31 LWR light water reactor 軽水炉. 水を冷却と減速剤に使用する原子炉.light water reactor; a nuclear fission reactor; e.g. PWR(pressurized water reactor) and BWR(boiling water reactor); ref. HWR(heavy water reactor); [E:Phys]. 丸善「略語大辞典」JLogosID : 11881327