scrub·ber 
/ˈskrʌbɚ/ noun
plural scrub·bers /ˈskrʌbɚ/ noun [count] 1 : a tool or machine that is used for scrubbing something
▪ a vegetable scrubber [=a brush that is used for scrubbing vegetables] ▪ a floor scrubber 2 : a person whose job is to scrub something
▪ She got a job as a pot scrubber. 3 technical : a machine that removes a dangerous substance from air, water, etc.
▪ The scrubbers will reduce the power plant's sulfur emissions.
▪ a vegetable scrubber [=a brush that is used for scrubbing vegetables] ▪ a floor scrubber
▪ She got a job as a pot scrubber.
▪ The scrubbers will reduce the power plant's sulfur emissions.
