Impeller vs. Propeller

Difference Between Impeller and Propeller
Impellernoun
One that impels, as a rotating device used to force a fluid in a desired direction under pressure.
Propellernoun
A device for propelling an aircraft or boat, consisting of a spinning shaft with radiating angled blades that thrust air or water in the direction opposite the desired direction of travel.
Impellernoun
A rotor or rotor blade.
Propellernoun
One who, or that which, propels.
Impellernoun
Something which or someone who impels, usually a part of a pump.
Propellernoun
A mechanical device with evenly-shaped blades that turn on a shaft to push against air or water, especially one used to propel an aircraft or boat.
Impellernoun
the blade of a rotor (as in the compressor of a jet engine)
Propellernoun
A steamboat thus propelled; a screw steamer.
Propellernoun
a mechanical device that rotates to push against air or water