degrease
🇺🇸
/ˌdiːˈɡriːs/
🇬🇧
/ˌdiːˈɡriːs/
To clean something to remove grease or oil.
I need to degrease the engine before I can work on it.
作業を行う前にエンジンの油分を取り除く必要があります。