preheat
🇺🇸
/ˌpriːˈhiːt/
🇬🇧
/ˌpriːˈhiːt/
to make something warm or hot before you start to use it
Before baking the cookies, make sure to preheat the oven to 350 degrees.
쿠키를 구워 먹기 전에, 350도에 오븐을 예열하는 것을 잊지 마세요.