the action of deducting or subtracting something 减除,扣除 the dividend will be paid without deduction of tax. 股息会免税发放。 ■[count noun]an amount that is or may be deducted from something, especially from taxable income or tax to be paid 扣除额 tax deductions. 扣税额。
the inference of particular instances by reference to a general law or principle 演绎推理。 常与 induction相对 the detective must uncover the murderer by deduction from facts. 侦探必须通过对事实的推理找出凶手。 ■[count noun]a conclusion that has been deduced 推演结论
语源
late Middle English: from Latin deductio(n-), from the verb deducere (see deduce)