1. A brush with short stiff bristles for heavy cleaning
   "He used a scrubber to remove the grime from the tile grout";
   - scrub brush, scrubbing brush
    
2. A worker who uses a scrub brush to clean a surface (usually a floor or deck)
   "The scrubber spent hours on his hands and knees cleaning the ship's deck"
    
3. A purifier that removes impurities from a gas
   "The power plant installed a scrubber to reduce sulphur dioxide emissions"

Derived forms: scrubbers

Type of: brush, purifier, worker

Encyclopedia: Scrubber