What does 効果 mean?
効果 is a Japanese noun meaning “effect” or “effectiveness” in English. It is written as 効果 in kanji, こうか in hiragana, and kouka in romaji. This word is part of JLPT N3 vocabulary.
Example sentences
この薬はすぐに効果が出る。
This medicine takes effect quickly.
練習の効果が表れてきた。
The practice is starting to pay off.