refrigerate
🇺🇸
/rɪˈfrɪdʒəreɪt/
🇬🇧
/rɪˈfrɪdʒəreɪt/
To cool something down, especially food, to keep it fresh or to preserve it.
After buying the milk, I refrigerated it to keep it fresh.
우유를 사고 나서 신선하게 하려고 냉장시켰다.