Definitions

diesel engine

NOUN

engine heating diesel fuel by compression

Synonyms

STRONGEST

diesel

WEAK

compression-ignition engine diesel motor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Later this year, the car will take to the iconic Bonneville Salt Flats in Utah to try to break the current diesel engine record of 350.092 mph - set by JCB in 2006.

From BBC • Jun. 1, 2026

LiquidPiston’s engine can run on everything from diesel to jet fuel, while being a fraction of the size of a comparable diesel engine, and up to 30% more efficient than a comparable gasoline one.

From The Wall Street Journal • Apr. 24, 2026

"I feel like I'm more of a diesel engine sometimes where I need to get going first, then at some point I'll start playing good tennis. I have to play a preparation tournament."

From Barron's • Jan. 3, 2026

The main propulsion diesel engine shut down after the pumps lost electrical power.

From Seattle Times • May 14, 2024

The truck driver slammed the door and started the diesel engine.

From "Ceremony:" by Leslie Marmon Silko