oil
The German word for oil is 'Öl'. It is used in the same way as in English, for example, 'I need oil for my car' would be 'Ich brauche Öl für mein Auto' in German.
I need more oil for the recipe.
This sentence is used when you are cooking and you realize you need more oil for the recipe you are making.
Your car is leaking oil.
This phrase can be used to inform someone that their car is leaking oil, which might indicate a problem with the car that needs to be fixed.
The oil is very expensive.
This is a general statement about the cost of oil. It could be used in a conversation about cooking ingredients, or about fuel for cars and heating.