From Longman Dictionary of Contemporary Englishdeductionde‧duc‧tion /dɪˈdʌkʃən/ ●○○ AWL noun [countable, uncountable] 1 DECIDEthe process of using the knowledge or information you have in order to understand something or form an opinion, or the opinion that you form Children will soon make deductions about the meaning of a word.2 COUNT/CALCULATEthe process of taking away an amount from a total, or the amount that is taken away After deductions for tax etc, your salary is about £700 a month.
Examples from the Corpus
deduction• The amount of income left over after deduction of this taxation is known as disposable income.• The game teaches children logic and deduction.• It is subject to tax, superannuation and national insurance deductions - unlike State Sickness Benefit.• Still, concern about home-buying is why Alexander charges that eliminating the mortgage interest deduction would cause a real-estate crash.• And now, thanks to a very neat bit of deduction, you know.• Does it have an offsetting deduction?• And if the Clinton administration does succeed in withdrawing the tax deduction?• Credit notes can be exchanged before they mature but this does involve the deduction of a premium.• But, of these, 82. 5 percent of taxpayers with incomes higher than $ 200,000 take the deduction.make deductions• It means using evidence, making deductions, seeing conceptual connections and drawing conclusions.• Meta-deduction depends on two components: an ability to make deductions, and an ability to construct reasoning strategies.• Nowadays I am accustomed to making deductions from a single piece of clothing or personal item associated with a crime.• It is nevertheless possible to make deductions about stages of language before historical records.• A weekly tariff income is used to make deductions from income support for capital between these two sums.From Longman Business Dictionarydeductionde‧duc‧tion /dɪˈdʌkʃən/ noun [countable, uncountable] the process of taking away an amount from a total, or the amount that is taken away → income tax deduction → standard deduction 