Try Our Apps


Avoid these words. Seriously.

fossil fuel

noun, Energy.
any combustible organic material, as oil, coal, or natural gas, derived from the remains of former life. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for fossil fuels
Contemporary Examples
Historical Examples
  • Next to the fossil fuels, the most important products of the rocks in North America are the iron ores.

    North America Israel C. Russell
British Dictionary definitions for fossil fuels

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
Cite This Source
fossil fuels in Science
fossil fuel  
A hydrocarbon deposit, 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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
fossil fuels in Culture

fossil fuels definition

Coal, petroleum, and natural gas.

Note: All of these fuels were formed from the remains of plants and animals that lived millions of years ago.
Note: All fossil fuels produce carbon dioxide when burned. (See greenhouse effect.)
Note: Burning fossil fuels is a main cause of air pollution.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of the Day

Nearby words for fossil fuels

Word Value for fossil

Scrabble Words With Friends