Impeller as a noun is something which or someone who impels, usually a part of a pump. while Propeller as a noun is a mechanical device, with shaped blades that turn on a shaft, to push against air or water, especially one used to propel an aircraft or boat.
Part of speech: noun
Definition: Something which or someone who impels, usually a part of a pump.
Part of speech: noun
Definition: A mechanical device, with shaped blades that turn on a shaft, to push against air or water, especially one used to propel an aircraft or boat.
We hope you now know whether to use Impeller or Propeller in your sentence.