Propulsion is the generation of force by any combination of pushing and/or pulling to modify the translational motion of an object, which is typically a rigid body (or an articulated rigid body) but may also concern a fluid. [1]

This kind of propulsion system is called a solar thermal rocket. Bu tür bir tahrik sistemine solar termal roket denir.

The propulsion of a rocket includes all of the parts which make up the rocket engine, the tanks pumps, propellants, power head and rocket nozzle. The function of the propulsion system is to produce thrust.

Add to word list the force produced by a system for moving a vehicle or other object: jet propulsion (Definition of propulsion from the Cambridge Academic Content Dictionary © Cambridge University Press)

Propulsion means to push forward or drive an object forward. A propulsion system is a machine that produces thrust to push an object forward. On airplanes, thrust is usually generated through some application of Newton's third law of action and reaction.

Propulsion is the science and engineering behind moving objects by generating force. Whether it’s a car cruising down the highway, a ship slicing through the sea, a drone hovering mid-air, or a rocket heading to orbit, propulsion systems are what make things go.

Examples of different propulsion systems used for flight vehicles. Each propulsion system differs in its functional design, but in all cases, the objective is to convert stored energy into propulsive power and thrust.

Kids Definition propulsion noun pro· pul· sion prə-ˈpəl-shən 1 : the action or process of propelling

In modern times, human propulsion is found mainly on small boats or as auxiliary propulsion on sailboats. Human propulsion includes the push pole, rowing, and pedals. Propulsion by sail generally consists of a sail hoisted on an erect mast, supported by stays, and controlled by lines made of rope.

Add to word list the force produced by a system for moving a vehicle or other object: jet propulsion (Definition of propulsion from the Cambridge Academic Content Dictionary © Cambridge University Press)