What does 効率 mean?
効率 is a Japanese noun meaning “efficiency, the efficiency ratio” in English. It is written as 効率 in kanji, こうりつ in hiragana, and kouritsu in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
彼は事務効率をよくする案を出した。
He put forward a plan for improving office efficiency.