Deductive reasoning, or deduction, is making an inference based on widely accepted facts or premises. If a meal is described as "eaten with a fork" you may use deduction to determine that it is solid food, …

DEDUCTION definition: 1. the process of reaching a decision or answer by thinking about the known facts, or the decision…. Learn more.

By lowering your income, deductions lower your tax. You need documents to show expenses or losses you want to deduct. Your tax software will calculate deductions for you and enter them in the right …

Jan 28, 2026 · What is a tax deduction? A tax deduction reduces your taxable income. If you claim a $1,000 deduction, it means you don't pay tax on that $1,000.

DEDUCTION meaning: 1 : the act of taking away something (such as an amount of money) from a total; 2 : something (such as an amount of money) that is or can be subtracted from a total

Definition of deduction noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Define deduction. deduction synonyms, deduction pronunciation, deduction translation, English dictionary definition of deduction. n. 1. The act of deducting; subtraction. 2. An amount that is or may …