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Speculation vs Deduction - What's the difference?

speculation | deduction |

As nouns the difference between speculation and deduction

is that speculation is the process of thinking or meditating on a subject while deduction is that which is deducted; that which is subtracted or removed.

speculation

English

Noun

(wikipedia speculation) (en noun)
  • The process of thinking or meditating on a subject.
  • * Milton
    • Thenceforth to speculations high or deep I turned my thoughts.
  • * 2012 , Caroline Davies, Duke and Duchess of Cambridge announce they are expecting first baby'' (in ''The Guardian , 3 December 2012)[http://www.guardian.co.uk/uk/2012/dec/03/duke-and-duchess-of-cambridge-expecting-baby?intcmp=122]
    • The Duke and Duchess of Cambridge have ended months of intense speculation by announcing they are expecting their first child, but were forced to share their news earlier than hoped because of the Duchess's admission to hospital on Monday.
  • (philosophy) The act or process of reasoning a priori from premises given or assumed.
  • A conclusion to which the mind comes by speculating; mere theory; notion; conjecture.
  • * Sir W. Temple
    • From him Socrates derived the principles of morality, and most part of his natural speculations .
  • * Macaulay
    • To his speculations on these subjects he gave the lofty name of the "Oracles of Reason".
  • (business, finance) An investment involving higher-than-normal risk in order to obtain a higher-than-normal return.
  • The act or practice of buying land, goods, shares, etc., in expectation of selling at a higher price, or of selling with the expectation of repurchasing at a lower price; a trading on anticipated fluctuations in price, as distinguished from trading in which the profit expected is the difference between the retail and wholesale prices, or the difference of price in different markets.
  • * A. Smith
    • Sudden fortunes, indeed, are sometimes made in such places, by what is called the trade of speculation .
  • * F. A. Walker
    • Speculation , while confined within moderate limits, is the agent for equalizing supply and demand, and rendering the fluctuations of price less sudden and abrupt than they would otherwise be.
  • Examination by the eye; view.
  • (obsolete) Power of sight.
  • * Shakespeare
    • Thou hast no speculation in those eyes.
  • A card game in which the players buy from one another trumps or whole hands, upon a chance of getting the highest trump dealt, which entitles the holder to the pool of stakes.

    • Synonyms

    * See also

    Derived terms

    * "on speculation" (on spec) Creating a work with the hope of selling it, as opposed to creating a work "on commission" for hire.

    Anagrams

    * *

    deduction

    English

    Noun

    (en noun)
  • That which is deducted; that which is subtracted or removed
  • 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 .
  • (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.
  • A conclusion; that which is deduced, concluded or figured out
    • He arrived at the deduction that the butler didn't do it.
  • 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.