noun
- rotating devices with blades or vanes that move fluids by imparting motion, typically found in pumps, fans, or turbines
Usage: technical; engineering
Examples
- The water pump’s impellers were damaged and needed replacement.
- Engineers designed new impellers to improve the fan’s efficiency.
- The centrifugal pump uses curved impellers to move the liquid.
- Cleaning the impellers regularly helps maintain optimal performance.
- The ship’s propulsion system includes multiple impellers.
- Damaged impellers can cause vibration and reduced flow rates.