軽けい水すい炉ろけいすいろFreq.FrequencyTop 100,000Meanings1nounlight-water reactorTechnical term in nuclear engineering; a reactor that uses ordinary water as both coolant and moderator. Contrasts with 重水炉 (heavy-water reactor).See also: 重水炉日本にほんの原げん子し力りょく発はつ電でん所しょの多おおくは
