A hydrocarbon deposit, such as petroleum, coal, or natural gas, derived from living matter of a previous geologic time and used for fuel.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "fossil fuel" in a sentence
"According to the official guide to Transition Towns, one of the central ideas is that locally reliant life without fossil fuel dependence will be more enjoyable and fulfilling: “The coming post-cheap oil era [can be viewed] as an opportunity rather than a threat, and [we can] design the future low carbon age to be thriving, resilient and abundant—somewhere much better to live than our current alienated consumer culture based on greed, war and the myth of perpetual growth.”"
""EOS is a constellation of five NASA satellites which scrutinize the earth in different ways – ocean mapping, geologic fault analyses, polar ice-melt observation, location of fossil fuel reserves –""