Definition of "rocket fuel" []

• An explosive charge that propels a rocket (noun)

WordNet. Princeton University. 2010.

• "Tom Swift's advantage over his competitors is that he has perfected a rocket fuel which can carry his ship into and out of orbital flight."
• "But as the scientist Richard P. Feynman notoriously demonstrated in a presentation before Congressional investigators, the decision to launch on a cold morning caused the booster rocket O rings to become brittle and to leak rocket fuel after takeoff."