Dictionary / Vocabulary / 老化
ろうか
ageing; aging; senile deterioration
common word
老化を防ぐためにもっと体を動かすべきだ。
You have to get more exercise in order to stave off senility.
拡大経済は老化している。
The expansion is aging.
心を整えて強く保っておくことで脳の老化は防げる、と研究者は言っています。
Researchers are saying that you can defend against brain aging by collecting yourself and keeping a strong presence of mind.