monopropellant

[ mon-oh-pruh-pel-uh nt ]
/ ˌmɒn oʊ prəˈpɛl ənt /

noun

a substance for propelling rockets that is a mixture of fuel and oxidizer.

British Dictionary definitions for monopropellant

monopropellant
/ (ˌmɒnəʊprəˈpɛlənt) /

noun

a solid or liquid rocket propellant containing both the fuel and the oxidizer