propellant

/prəˈpɛlənt/
noun
  1. A substance used to propel or thrust something forward, such as fuel for a rocket or gas in an aerosol can.
    • The rocket's propellant burned to produce the thrust needed for liftoff.
    • Aerosol cans use a compressed gas as a propellant to spray the contents.
    • Scientists are developing new propellants that are less harmful to the environment.
  2. Something that drives or pushes someone to take action or make progress.
    • Curiosity was the propellant behind her scientific discoveries.
    • His ambition was the main propellant in his career advancement.
    • The promise of a better future served as a propellant for the community's efforts.
Synonyms
adjective
  1. Capable of propelling or serving to propel.
    • The propellant system uses a mixture of liquid oxygen and hydrogen.
    • They tested the propellant force of the new engine design.
    • The propellant gas in the canister must be handled with care.
What does "propellant" mean? | whatsthatwordmean | whatsthatwordmean