Definition of Propellant

thing or substance that causes something else to be driven forward

Examples of Propellant in a sentence

The student used his teacher’s hurtful words as a propellant to drive him toward success.  🔊

When building the small rocket, the scientist had to decide which propellant he would use to launch the spacecraft.  🔊

Aerosol sprays require a propellant or some other gas-like substance to force the mist out of the cans.  🔊

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