The Open Dictionary

propellant

名词

UK/prəˈpel.ənt/
US/prəˈpel.ənt/

定义 propellant 名词

  1. CountableUncountable

    A substance, such as an explosive or fuel, that causes an object to move forward.

    • Rockets use liquid fuel as a propellant.

    • This new propellant provides a more powerful thrust.

    • Solid propellants are often used in missiles.

  2. CountableUncountable

    A compressed gas used in aerosols to expel liquid in fine droplets.

    • The spray can uses compressed air as a propellant.

    • This propellant is environmentally friendly.

    • Some aerosol products use nitrogen gas as a propellant.