Meaning & Definition of word "Diesel"

Diesel

/ˈdiːzəl/

noun:

  • 1. A type of fuel derived from crude oil, used in diesel engines.
    • Example: The truck runs on diesel fuel, making it more efficient for long hauls.
  • 2. A diesel engine, particularly in vehicles and machinery.
    • Example: The construction site uses heavy equipment powered by a diesel engine.
  • 3. A specific grade of fuel for diesel engines that has a higher energy density than gasoline.
    • Example: He filled up the car with diesel at the nearest station.

adjective:

  • 1. Relating to or using diesel fuel or diesel engines.
    • Example: The diesel generator provided power during the outage.
  • 2. Referring to a type of vehicle or machine that operates on diesel fuel.
    • Example: They purchased a new diesel pickup truck for better fuel efficiency.

Etymology

Named after Rudolf Diesel, the German engineer who developed the engine.

Common Phrases and Expressions

diesel engine:

An internal combustion engine that burns diesel fuel.

diesel emissions:

The pollutants released from diesel engines.

diesel mechanic:

A technician specializing in diesel-powered vehicles.

Related Words

biodiesel:

A renewable substitute for diesel fuel made from biological materials.

petroleum:

A liquid mixture of hydrocarbons present in fossil fuels.

combustion:

The process of burning something to produce energy.

Slang Meanings of diesel

Meaning: Something that is very powerful or efficient.

Example Sentence: This truck is a diesel; it can haul huge loads without breaking a sweat.

Meaning: Referring to a person or thing that is robust and reliable.

Example Sentence: He's a diesel in the office, always getting things done efficiently.