hybrid rocket

hybrid (“fuel”) +‎ rocket

hybrid rocket (plural hybrid rockets)

1. a bipropellant rocket engine (rocket motor) which uses propellants that are in two different states, typically liquid and solid, which when reacted, create exhaust gases suitable for rocket propulsion.
2. a vehicle (rocket) propelled by a hybrid rocket engine

• (bipropellant rocket engine): hybrid rocket engine

• chemical rocket

• solid rocket / solid rocket engine / solid-fueled rocket / solid-fueled rocket engine
• liquid rocket / liquid rocket engine / liquid-fueled rocket / liquid-fueled rocket engine