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

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Example Sentences

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

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

From Los Angeles Times • Feb. 18, 2025

Advocates claim that using liquid fuel, instead of the solid fuel now used in all nuclear power plants, would be a more efficient way to produce electricity and heat for industrial uses.

From Scientific American • Oct. 20, 2023

North Korea uses solid fuel in a range of small, shorter-range ballistic missiles.

From Reuters • Jul. 13, 2023

For example, the little cage which held the solid fuel tested was only 5/8 inch diameter by barely 2 inches high, and held only 38 grains of charcoal, the combustion occupying about sixteen minutes.

From Scientific American Supplement, No. 441, June 14, 1884. by Various