stating one's will and intentions

Short for 原子力潜水艦. nuclear submarine

existence

survive, exist, persist

(nuclear physics) a nuclear reactor

a dimension

(economics) present value

etymology of a written symbol; etymology of a letter; etymology of a character / etymology of a Han character

river source or spring source / source in general (including of an inspiration)

the Common Era / (historical) the era of all emperors to have ever ruled Japan, starting with Emeperor Jinmu's supposed ascension in 660 BCE, established in 1872 (5th year of the Meiji era)