diminution
🇺🇸
/ˌdɪmɪˈnuːʃn/
🇬🇧
/ˌdɪmɪˈnjuːʃn/
making something smaller or less
There was a significant diminution in the company's profits.
会社の利益が大幅に減少しました。
the process of becoming smaller in size or amount
The city experienced a diminution in its population.
その都市は人口の減少を経験しました。