oil
//ɔɪl//
Translation
oil
Definition
Oil is a viscous liquid derived from petroleum, used primarily as a fuel source for heating, transportation, and electricity generation. It is also a key raw material in the production of plastics, lubricants, and various chemicals. In everyday contexts, oil often refers to crude oil or refined products like gasoline and diesel, which power engines and machinery. The word can also describe natural oils from plants or animals, such as olive oil or fish oil, used in cooking or cosmetics. This entry focuses on the petroleum-based meaning, which is central to global energy systems and industrial processes.
Example
“The price of oil has dropped significantly this quarter.”
“Many countries rely on oil exports to boost their economy.”
“We need to change the oil in the car every 5,000 miles.”
“Oil spills can cause severe damage to marine ecosystems.”
“Heating oil is commonly used in colder regions during winter.”
“The discovery of new oil fields boosted the local economy.”
“She used cooking oil to fry the vegetables.”
“Oil companies are investing in renewable energy sources.”
“The engine stopped because it ran out of oil.”
“Crude oil must be refined before it can be used as fuel.”
Synonyms