refine petroleum; extract oil; render fat
Meanings
3 senses · 6 examplesverb
to refine petroleum; to fractionate crude oil
Refers to the industrial process of separating crude oil into components such as gasoline, diesel, and kerosene through distillation.
This oil refinery processes fifty thousand barrels of crude oil every day.
The oil refining process must be carried out under high temperature and high pressure.
verb
to extract oil by heating; to render fat from oily materials
Often used for extracting oil from seeds, nuts, or animal tissues through heating and pressing.
Farmers use traditional methods to extract oil from cotton seeds.
This machine can extract oil as well as grind flour.
verb
to heat animal or vegetable oil to make it edible; to clarify cooking oil
Refers to heating raw animal fat or unprocessed vegetable oil to remove impurities and make it suitable for cooking.
Refined oil can be stored for a very long time.
Grandma is rendering oil in the kitchen to prepare for stir-frying.