pulsator
/ˈpʌlˌseɪtər/
noun
- A device or machine that produces a rhythmic beating or pulsing action.
- The washing machine's pulsator moves the clothes around in the water.
- A pulsator in the milking machine helps stimulate the cow's milk flow.
- The aquarium uses a pulsator to create gentle waves in the water.
- Something that pulsates; a person or thing that beats or throbs.
- The old engine was a steady pulsator, chugging along without fail.
- In the lab, the pulsator simulated the rhythm of a human heartbeat.
- The heart is a natural pulsator that keeps blood moving through the body.