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Definitions

fossil fuel

[fos-uhl fyoo-uhl] / ˈfɒs əl ˈfyu əl /
NOUN
fuel derived from prehistoric organisms
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Again those fuels are likely to be a major cost for airlines, with estimates that the cost could be 10 times higher than traditional fossil fuel.

From The Wall Street Journal • Jun. 2, 2026

Researchers estimate that carbon released through soil respiration is seven to eight times greater than annual fossil fuel emissions produced by humans.

From Science Daily • Jun. 2, 2026

Tuvalu has entrusted management of its single-largest financial asset to advisory firm Mercer, which has invested in funds holding stakes in major fossil fuel companies, according to financial records and government reports reviewed by AFP.

From Barron's • May 28, 2026

According to the Sierra Club, more than 85% of renewable energy sources now cost less than fossil fuel sources.

From Salon • May 16, 2026

That takes a lot of energy and a lot of fossil fuel.

From "The Omnivore's Dilemma" by Michael Pollan




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