What does 定年 mean?
定年 is a Japanese noun meaning “retirement age” in English. It can also be translated as “minimum years of service at a particular rank before eligibility for promotion (in the Imperial Japanese Army and Navy)” depending on context. It is written as 定年 in kanji, ていねん in hiragana, and teinen in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
私の会社では６０歳が定年である。
At our company, the retirement age is 60.