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solid fuel

British  

noun

  1. a domestic or industrial fuel, such as coal or coke, that is a solid rather than an oil or gas

  2. Also called: solid propellant. a rocket fuel that is a solid rather than a liquid or a gas

"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

Example Sentences

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Challenges to returning to full-scale missile manufacturing include damage to chemical facilities needed to make liquid propellants and industrial mixers for producing solid fuel, Arab officials said.

From The Wall Street Journal ● Sep. 10, 2026

Anchoring Subaru’s SUV lineup, the all-wheel drive, subcompact 2026 Subaru Crosstrek combines a go-anywhere attitude with solid fuel economy and adventurous flair.

From MarketWatch ● Nov. 26, 2025

The missile, code-named Skyfall by Nato, is thought to be powered by a nuclear reactor, which is supposed to activate after solid fuel rocket boosters have launched it into the air.

From BBC ● Oct. 26, 2025

During the first three minutes, three solid fuel rocket motors power the missile’s flight.

From Los Angeles Times ● Feb. 18, 2025

Some kept to the banks and cut dry reeds to make the bonfire burn quickly, while others were in quest of more solid fuel.

From The Madcap of the School by Balliol Salmon

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