circulator
/ˈsɜrkjəˌleɪtər/
noun
- A person or thing that circulates something, such as information, money, or fluids.
- The bank is a major circulator of cash in the local economy.
- The pump acts as a circulator, moving water through the pipes.
- She was a known circulator of rumors in the office.
- A device that moves a fluid (such as air or water) in a closed system.
- The pool's circulator broke, so the water became stagnant.
- The circulator in the heating system keeps the hot water moving.
- We installed a new circulator to improve air flow in the greenhouse.