Deduction meaning

dĭ-dŭk'shən
The definition of a deduction is the act of understanding something based on evidence.

An example of a deduction is what a detective makes after he compares and interprets the details of an investigation.

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A deduction is defined as when something, especially money, is taken away.

An example of a deduction is what is taken out of your payroll check for income taxes.

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The act of deducting; subtraction.
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An amount that is or may be deducted.

Tax deductions.

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The drawing of a conclusion by reasoning; the act of deducing.
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The process of reasoning in which a conclusion follows necessarily from the stated premises; inference by reasoning from the general to the specific.
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A conclusion reached by this process.
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A deducting or being deducted; subtraction.
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The act or process of deducing; reasoning from the general to the specific, or from premises to a logically valid conclusion; also, a conclusion reached by such reasoning.
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A sum or amount deducted or allowed to be deducted as, specif., from taxable income.
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Something for which such an amount may be deducted from taxable income.
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The process of reasoning from the general to the specific, in which a conclusion follows necessarily from the premises.
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A conclusion reached by this process.
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An expense that is subtracted from taxable income in order to reduce the amount of income tax that has to be paid. Charitable donations and business expenses, such as entertainment expenses and office supplies, are examples of items that can be deducted.
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A monetary amount that a taxpayer is permitted by law or regulation to subtract from income when determining income tax.
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An expense, such as state and local taxes paid, or annual interest on a mortgage, that is listed on a tax return as a deduction. Includes charitable deductions.
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A dollar amount that a taxpayer is permitted by law to subtract from taxable income in lieu of listing itemized deductions.
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That which is deducted; that which is subtracted or removed.
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A sum that can be removed from tax calculations; something that is written off.

You might want to donate the old junk and just take the deduction.

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A conclusion; that which is deduced, concluded or figured out.

He arrived at the deduction that the butler didn't do it.

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The ability or skill to deduce or figure out; the power of reason.

Through his powers of deduction, he realized that the plan would never work.

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(logic) A process of reasoning that moves from the general to the specific, in which a conclusion follows necessarily from the premises presented, so that the conclusion cannot be false if the premises are true.
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A conclusion reached by this process.
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Origin of deduction

From Middle French déduction, from Latin deductio