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English definition of “deduct”

deduct

verb [T]
 
 
/dɪˈdʌkt/
to take away an amount or part from a total: deduct sth from sth By arrangement with your mortgage holder, you can have them automatically deduct a regular payment from a checking or savings account. Each week a small amount is deducted from her wages for the pension plan. Tax and National Insurance contributions are deducted at source, before you receive your salary.
TAX to take away the cost of particular things from the amount of money that you have earned, before you pay tax on it: deduct sth from sth There are many expenses you can deduct from your income before calculating tax.
(Definition of deduct from the Cambridge Business English Dictionary © Cambridge University Press)
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