diesel engine

noun

Definition of diesel engine

  1. :  an internal combustion engine in which air is compressed to a temperature sufficiently high to ignite fuel injected into the cylinder where the combustion and expansion actuate a piston

1894

First Known Use of diesel engine

1894


DIESEL ENGINE Defined for English Language Learners

diesel engine

noun

Definition of diesel engine for English Language Learners

  • : a type of engine that uses diesel fuel rather than gasoline and that is used especially in large vehicles (such as trucks and buses)


DIESEL ENGINE Defined for Kids

diesel engine

noun

Definition of diesel engine for Students

  1. :  an engine in which the mixture of air and fuel is compressed until enough heat is created to ignite the mixture that uses diesel fuel instead of gasoline


Learn More about diesel engine


Seen and Heard

What made you want to look up diesel engine? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

capable of being altered or controlled

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • peter-bruegel-tower-of-babel-painting
  • What language does pajama come from?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!