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Added 8 October 2026

deduction

/dɪˈdʌkʃən/ noun

Latin root: deductio Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about deduction at Wordnik → Where our words come from →

That which is deducted; that which is subtracted or removed.
standard deduction
A sum that can be removed in tax calculations, usually from the taxable amount; something that is written off.
standard deduction
A sum withheld from an employee's pay for the purpose of paying tax.

Origin

From Middle French déduction, from Latin deductio. Equivalent to deduct + -ion or deduce + -tion.

From Wiktionary, via Kaikki.org (CC BY-SA)

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