Definitions of propellent
  1. noun
    any substance that propels
    synonyms: propellant
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    rocket fuel, rocket propellant, rocket propellent
    an explosive charge that propels a rocket
    compressed gas
    gas at a high pressure that can be used as a propellant
    compressed air
    air at a pressure greater than that of the atmosphere
    type of:
    a particular kind or species of matter with uniform properties
  2. adjective
    tending to or capable of propelling
    synonyms: propellant, propelling, propulsive
    dynamic, dynamical
    characterized by action or forcefulness or force of personality
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