Meaning of deduce in English:


Pronunciation /dɪˈdjuːs/

See synonyms for deduce

Translate deduce into Spanish


[with object]
  • 1Arrive at (a fact or a conclusion) by reasoning; draw as a logical conclusion.

    ‘little can be safely deduced from these figures’
    • ‘they deduced that the fish died because of water pollution’
    • ‘The Academics took the part of the questioner, who puts questions to his interlocutors and deduces conclusions that are unwelcome to them from their answers.’
    • ‘Hempel and Oppenheim made the important logical point that statements about a phenomenon cannot be deduced from general laws alone.’
    • ‘And with a great leap of logical brilliance, he deduced that he was looking at a ceiling.’
    • ‘Some dates and places from this period can again be deduced from descriptions of astronomical events recorded by al-Biruni.’
    • ‘From this it was deduced that Diophantus wrote around 250 AD and the dates we have given for him are based on this argument.’
    • ‘Less obvious truths are deduced from these self-evident beginnings by individually obvious steps.’
    • ‘Joseph Raphson's life can only be deduced from a number of pointers.’
    • ‘We have very little information about Bhaskara I's life except what can be deduced from his writings.’
    • ‘It can also be deduced from a copy of the second treatise of Serenus which has survived.’
    • ‘Examples include Charles Darwin deducing the fact of evolution and then formulating a powerful theory to explain it, thus laying the very foundation of our modern understanding of life.’
    • ‘He deduces this curious conclusion from their view that a site would have no economic value were it not for the community around it, assuming that this implies that the community is the sole producer.’
    • ‘It's not possible to deduce moral conclusions from first principles.’
    • ‘The conclusions he deduced from it depended entirely on his empirical assumptions.’
    • ‘As conscious beings we can deduce that the logical conclusion of this decline is our extinction.’
    • ‘The comet made no reappearance and again Lexell correctly deduced that Jupiter had changed the orbit so much that it was thrown far away from the Sun.’
    • ‘Scientists have deduced that the known physical universe has existed for approx 12 billion years since the Big Bang.’
    • ‘Much can be deduced from his art, but the facts surrounding his life remain obscure to an English-speaking audience.’
    • ‘Newton had deduced from his theory of gravitation that the Earth would be flattened at the poles.’
    • ‘Nothing further is to be deduced from this reference.’
    • ‘Although the reason is unclear I think that, as my neighbour called for my post, it was deduced that I no longer required my box.’
    conclude, come to the conclusion, reason, work out, gather, infer, draw the inference
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  • 2 archaic Trace the course or derivation of.

    • ‘he cannot deduce his descent wholly by heirs male’


Late Middle English (in the sense ‘lead or convey’): from Latin deducere, from de- ‘down’ + ducere ‘lead’.