fossil fuel

noun Energy.

any combustible organic material, as oil, coal, or natural gas, derived from the remains of former life.

Nearby words

  1. fossey,
  2. fossey, dian,
  3. fossick,
  4. fossil,
  5. fossil energy,
  6. fossil fuels,
  7. fossil gum,
  8. fossil record,
  9. fossiliferous,
  10. fossilize Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fossil fuel

British Dictionary definitions for fossil fuel

fossil fuel


any naturally occurring carbon or hydrocarbon fuel, such as coal, petroleum, peat, and natural gas, formed by the decomposition of prehistoric organisms
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

Science definitions for fossil fuel

fossil fuel

A hydrocarbon fuel, such as petroleum, coal, or natural gas, derived from the accumulated remains of ancient plants and animals and used as fuel. Carbon dioxide and other greenhouse gases generated by burning fossil fuels are considered to be one of the principal causes of global warming.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.