fuel oil

noun
|Updated on: 18 Jun 2018

Definition of fuel oil

: an oil that is used for fuel and that usually has a higher flash point than kerosene

Recent Examples of fuel oil from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fuel oil.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of fuel oil

1893

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Learn More about fuel oil


Seen and Heard

What made you want to look up fuel oil? 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

to emit the high shrill tone of bagpipes

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a-closeup-of-a-sunflower
  • Which of the following words means “of or relating to summer”?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!