• noun
• synonym
• antonym

• jet propulsion (noun)
  1. the use of a jet engine for power
• nuclear propulsion (noun)
  1. as in nuclear rockets as in a nuclear submarine the use of a nuclear reactor either to produce electricity to power an engine or to directly heat a propellant
• propulsion system (noun)
  1. a system that provides a propelling or driving force
• reaction propulsion (noun)
  1. propulsion that results from the ejection at high velocity of a mass of gas to which the vehicle reacts with an equal and opposite momentum
• reaction-propulsion engine (noun)
  1. a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream
• rocket propulsion (noun)
  1. reaction propulsion using stored oxygen for combustion; used where there is insufficient atmospheric oxygen
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