propellent
/prəˈpɛlənt/
noun
- A substance used to propel or thrust something forward, such as fuel in a rocket or gas in an aerosol can.
- Scientists are developing a new, cleaner propellent for future space missions.
- Aerosol cans use a compressed gas as a propellent to spray the contents.
- The rocket's propellent ignited and launched the spacecraft into orbit.
adjective
- Capable of propelling or causing forward motion.
- The design focuses on maximizing the propellent efficiency of the thruster.
- A propellent gas is needed to make the airbag inflate quickly.
- The propellent force of the engine pushed the boat through the water.