diesel

//ˈdiːzəl//
B1Frequency Level 10Neutral
Visual representation of diesel

Noun

dieselSingular
dieselsPlural
1

A type of heavy petroleum-based fuel used in diesel engines, characterized by its higher energy density compared to gasoline.

This truck runs on diesel, not gasoline.

2

A vehicle, especially a car or truck, that is powered by a diesel engine.

My father drives a diesel because it uses less fuel.

3

A type of internal combustion engine that ignites fuel by compression rather than by a spark.

This truck is powered by a diesel.

Synonym

diesel fuelderv

Adjective

dieselCanonical form
1

Powered by or relating to a diesel engine or diesel fuel.

Diesel cars are more fuel-efficient than gasoline cars.