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English definition of “scrub”

scrub

verb [I/T]  /skrʌb/ (-bb-) us  

scrub verb [I/T] (CLEAN)

to clean something by rubbing it hard: [T] After the tomato sauce boiled over, I had to scrub the stove. [I] You scrub and scrub, but those marks never come off.

scrub

noun [U]  /skrʌb/ us  

scrub noun [U] (PLANTS)

low trees and bushes that grow in dirt that is not especially good or where it is windy and dry
(Definition of scrub from the Cambridge Academic Content Dictionary © Cambridge University Press)
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