fuel oil



an oil used for fuel, especially one used as a substitute for coal, as crude petroleum.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fuel oil

Historical Examples of fuel oil

  • I had directed him to place a depot of food and fuel-oil at lat.


    Sir Ernest Shackleton

  • A fuel-oil truck disappeared from the street outside of Dabney Brothers' and was found abandoned in the morning.

British Dictionary definitions for fuel oil

fuel oil


a liquid petroleum product having a flash point above 37.8°C: used as a substitute for coal in industrial furnaces, domestic heaters, ships, and locomotives
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012