DEDUCTION • DICTIONARY ONE.COM • Definition of Deduction

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/dɪdˈəkʃən/ Listen

noun

Deduction n.

Act or process of deducing or inferring. "The deduction of one language from another." "This process, by which from two statements we deduce a third, is called deduction."

Act of deducting or taking away; subtraction; as, the deduction of the subtrahend from the minuend.

That which is deduced or drawn from premises by a process of reasoning; an inference; a conclusion. "Make fair deductions; see to what they mount."

That which is or may be deducted; the part taken away; abatement; as, a deduction from the yearly rent in compensation for services; deductions from income in calculating income taxes.

Synonyms: See Induction.

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Etymology of 'Deduction'

Collaborative International Dictionary of English 0.48

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"Deduction" Quotes from Famous Books

... "I don't understand what they mean; but they must mean something. Am I laying awake nights worrying about them? Not me! I'm just going to keep on watching till I find out what the meaning is. I know you're a great fellow for theory and deduction, and all that sort of thing, Godfrey, and I know you've pulled off some mighty clever stunts; but, after ...

— The Gloved Hand • Burton E. Stevenson

... investigate or make inquiries about their good or bad treatment of the Indians and how they treat, caress, and regale them. As soon as I should ascertain the truth, I should either give or deny the permission according to the results of the investigation. Then he makes a clever deduction, namely, that in the same manner he and the other confessors shall not absolve the encomenderos without first having made a detailed investigation and inquiry in respect to their treatment and good disposition toward their tributarios, so that they could grant or deny ...

— The Philippine Islands, 1493-1898, Volume VIII (of 55), 1591-1593 • Emma Helen Blair

... This deduction of morals from self-love, or a regard to private interest, is an obvious thought, and has not arisen wholly from the wanton sallies and sportive assaults of the sceptics. To mention no others, Polybius, one of the gravest ...

— An Enquiry Concerning the Principles of Morals • David Hume

... observation of convention, her independence, had captivated him. Sometimes he believed that he thoroughly understood her, when all at once he would find himself mentally peering into some dark corner into which the penetrating light of his usually swift deduction could throw no glimmer. She possessed the sins of the butterfly and the latent possibilities of a Judith. She was the most interesting feminine problem he had in his long years encountered. The mother mildly ...

— The Place of Honeymoons • Harold MacGrath

... various foods; while Table II. shows the proportion retained in the animal body and the proportion voided in the manure, as well as the manurial value of the food, assuming that it exercises its full theoretical effect. As this, however, is never fully realised, it is necessary to make some deduction. The deduction suggested by the Rothamsted experimenters, on the basis of their wide experience, is 50 per cent for food consumed within the last year. That is to say, the manurial value of food consumed during the last year is ...

— Manures and the principles of manuring • Charles Morton Aikman

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