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Longman Dictionary of Contemporary English
deduce
verb
EXAMPLES FROM OTHER ENTRIES
▪ Darwin's observations led him to deduce that plants and animals could adapt to their surroundings.
▪ The police surgeon was able to deduce the probable time of death from the temperature of the body.
EXAMPLES FROM CORPUS
▪ All other aspects of demand can then be deduced once we have analysed this consumer choice situation.
▪ Because of this the technique of Laplace transformation is relevant to deducing the transient responses of networks.
▪ Fortunately, Alice deduced what was going on.
▪ From these we can deduce the rest.
▪ From this he deduced that the boiler was too small and this led him on to wondering why the engine was so inefficient.
▪ From this it is deduced that the lexicon provides adequate but not complete coverage.
▪ Such a religion might also contain certain philosophical ideas, ideas which could be deduced from apriori reason.
▪ This contract was, perhaps, the only evidence from which I could deduce Helmut's hurt.
The Collaborative International Dictionary
Deduce

Deduce \De*duce"\, v. t. [imp. & p. p. Deduced; p. pr. & vb. n. Deducing.] [L. deducere; de- + ducere to lead, draw. See Duke, and cf. Deduct.]

  1. To lead forth. [A Latinism]

    He should hither deduce a colony.
    --Selden.

  2. To take away; to deduct; to subtract; as, to deduce a part from the whole. [Obs.]
    --B. Jonson.

  3. To derive or draw; to derive by logical process; to obtain or arrive at as the result of reasoning; to gather, as a truth or opinion, from what precedes or from premises; to infer; -- with from or out of.

    O goddess, say, shall I deduce my rhymes From the dire nation in its early times?
    --Pope.

    Reasoning is nothing but the faculty of deducing unknown truths from principles already known.
    --Locke.

    See what regard will be paid to the pedigree which deduces your descent from kings and conquerors.
    --Sir W. Scott.

Douglas Harper's Etymology Dictionary
deduce

early 15c., from Latin deducere "lead down, derive" (in Medieval Latin, "infer logically"), from de- "down" (see de-) + ducere "to lead" (see duke (n.)). Originally literal; sense of "draw a conclusion from something already known" is first recorded 1520s, from Medieval Latin. Related: Deduced; deducing.

Wiktionary
deduce

vb. 1 (context transitive English) To reach a conclusion by applying rules of logic to given premises. 2 (context obsolete English) To take away; to deduct; to subtract. 3 (context obsolete Latinism English) To lead forth.

WordNet
deduce
  1. v. reason by deduction; establish by deduction [syn: infer, deduct, derive]

  2. conclude by reasoning; in logic [syn: infer]

Usage examples of "deduce".

From this, and much other evidence, geologists have deduced that the Altiplano is still gradually rising, but in an unbalanced manner with greater altitudes being attained in the northern part and lesser in the southern.

The general design of this work will not permit us minutely to relate the actions of every emperor after he ascended the throne, much less to deduce the various fortunes of his private life.

No argument for the divine authority of Christianity has been urged with greater force, or traced with higher eloquence, than that deduced from its primary development, explicable on no other hypothesis than a heavenly origin, and from its rapid extension through great part of the Roman empire.

And from his message, we have to deduce that what happened was very much like the thing Timothy Flyte wrote about.

No wonder that in an age in which courtiers and theatrehaunters were turning Romanists by the dozen, and the priest-ridden queen was the chief patroness of the theatre, the Puritans should have classed players and Jesuits in the same category, and deduced the parentage of both alike from the father of lies.

From what was left of the flick, Steff could deduce that Maddy Witherson was not exactly a megastar of the famous West Coast porn scene.

Erkanwulf slapped the tray down beside Ivar and moved away, his shoulders tense, by which Ivar deduced muddily that he had offended him.

I deduced that Nux was now lying outside in the corridor, full length, with her paws against the door and her nose pressed to the gap at the bottom.

I deduced that Peaky would see that we were all visiting and that therefore the fort would be undefended, and would take advantage of our absence to reconnoitre.

It may thus be deduced that New Spain and its provinces were peopled by the Greeks, those of Catigara by the Jews, and those of the rich and most powerful kingdoms of Peru and adjacent provinces by the Atlantics who were descended from the primeval Mesopotamians and Chaldaeans, peoplers of the world.

Ebbinghaus and Ribot, all of these have been brought into the psychology laboratory in an attempt to classify their phenomenology, deduce regularities and understand their mechanism by analogy with the already classical methods of physics and physiology.

Deducing that these differing portions represented the same placode text, the cryptanalysts compared the two messages until, in a single afternoon, they found a transposition and blank arrangement that yielded the same texts in a form that resembled legitimate codewords.

Yet the podia had deduced that at their center lurked immense black holes of a billion stellar masses or more, holding in a vast grip the surrounding roiling dust.

Settling a hand on the ornamentation, he deduced that it was not real stone but Coade stone, an artificial material that was used for quoining and sculpture when using real stone was too expensive.

Egyptian Religion which may be deduced from them generally, and especially from the Theban Recension, and to indicate the contents of the principal Chapters.