反応
Kana: はんのう
reaction
Example sentence
彼の反応はとても速いです。
かれのはんのうはとてもはやいです。
His reaction is very fast.
What 反応 means
反応 (はんのう) is a Japanese word meaning “reaction”. It belongs to the Concepts & Ideas topic and appears at Level 3 (and again in Level 4), so it is one of the words worth learning early when you study Japanese.