say it: SKRUHB-ur
scrubber is a noun meaning "a worker who uses a scrub brush to clean a surface (usually a floor or deck)". It carries 3 recorded senses.
a worker who uses a scrub brush to clean a surface (usually a floor or deck)
a brush with short stiff bristles for heavy cleaning
a purifier that removes impurities from a gas
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for scrubber come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.