保安院 ほあんいん Meanings Noun Nuclear and Industrial Safety Agency; NISA Kanji 保 keep. Read as ホ. 安 safe. Read as アン. 院 institution. Read as イン. Words containing 保安院 原子力安全・保安院 (げんしりょくあんぜんほあんいん) Nuclear and Industrial Safety Agency Jinuma: Japanese Dictionary · Word lists