What does 効力 mean?
効力 is a Japanese noun meaning “effect, efficacy” in English. It is written as 効力 in kanji, こうりょく in hiragana, and kouryoku in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
その法律はもう効力はなくなっている。
The law is not in effect any longer.