Dictionary
fuel oil
noun
Definition of FUEL OIL
: an oil that is used for fuel and that usually has a higher flash point than kerosene
See fuel oil defined for kids ADVERTISEMENT
First Known Use of FUEL OIL
1893
Learn More About FUEL OIL
Browse
Next Word in the Dictionary: fuel pumpPrevious Word in the Dictionary: fuel–mixture indicatorAll Words Near: fuel oil
ADVERTISEMENT
Seen & Heard
What made you want to look up fuel oil? Please tell us where you read or heard it (including the quote, if possible).