- a domestic or industrial fuel, such as coal or coke, that is a solid rather than an oil or gas
- 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
Examples from the Web for solid fuel
It was also the only way to stop acceleration by solid-fuel rockets.
The take-off rockets were solid-fuel jobs, like those which launched the Platform.
And there were racks to which solid-fuel rockets of divers sizes could be attached.
They had banks of solid-fuel rockets of divers power and length of burning.
Solid-fuel launchers exploded and blasted the lifeboat clear of the parent ship.Deathworld