noun / adjective
diesel
DEE-zuhl/ˈdiːzl/
An engine that ignites fuel using compressed hot air.
Fuel from the pump supplies the truck's diesel.
Etymology
Diesel is Rudolf Diesel’s surname, used to name the engine he designed. The fuel sense takes its name from the type of engine in which it is used.
In context
where our vehicle fleet and the use of diesel and unleaded fuel has stayed pretty constant over the past eight years
More examples
- A diesel compresses air until it is hot enough to ignite fuel.
- Many trucks and buses rely on diesel engines.
- The mechanic repairs two diesels in the workshop.
Forms
diesel · diesels