oil · noun /ɔɪl/
oil (FOR COOKING)
A2 C or U a thick liquid produced from plants that is used in cooking
Dictionary example:
olive/sunflower/vegetable oil
Learner example:
Hi Fatima, I think you can bring some potatoes, olive oil and lettuce. (Skills for Life (Entry 2); A2; Polish)
oil (FUEL)
B1 U a thick liquid that comes from under the Earth's surface that is used as a fuel and for making parts of machines move easily
Dictionary examples:
an oil company
engine oil
Learner example:
He is working in a big oil company called Agip. (Preliminary English Test; B1; Arabic)
burn the midnight oil
C2 to work late into the night
Dictionary example:
I had to burn the midnight oil to get the essay finished.
Learner example:
My examinations were nearing and I was always burning the midnight oil. (Certificate of Proficiency in English; C2; Chinese)
