fossil fuels

NOUN

fuel derived from prehistoric organisms

Synonyms

WEAK

hydrocarbon deposit nonrenewable energy nonrenewable fuel source

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.

Participants met to draft individualized, national transition roadmaps away from fossil fuels; using more laid back question and answer information sessions, they made unusual progress.

From Salon • May 16, 2026

Is it telling us that the world is going to move off of fossil fuels a little faster because of this?

From Barron's • May 15, 2026

“In the long run, fossil fuels will be used for petrochemicals and not for burning,” Cohen told me.

From Los Angeles Times • May 14, 2026

Molecular solar thermal systems and fossil fuels are actually both forms of chemical energy storage.

From BBC • May 7, 2026

Unlike fossil fuels, wind, solar, and hydroelectric systems generate electricity with no associated air pollution emissions.

From "1919 The Year That Changed America" by Martin W. Sandler