Definition of induction in US English:



  • 1The action or process of inducting someone to a position or organization.

    ‘the league's induction into the Baseball Hall of Fame’
    • ‘And congratulations to you on your induction into the Western Music Hall of Fame.’
    • ‘In fact the whole induction proves much less traumatic than anticipated - after all, what could be more fun than talking about me for a whole hour?’
    • ‘That induction into what my mother later called ‘a secret society’ soon introduced me to quite a number of Stoics, already sworn-in members.’
    • ‘They tracked the students through their inductions, exams and graduations and through the emotions, trials and tribulations.’
    • ‘After this induction into adulthood, the boys travel back to their communities as men.’
    • ‘Her faction had been the cause of his induction into the organization and was directly responsible for whether he kept working with Mack and Emma or not.’
    • ‘Still others argue that it was a kind of induction into adulthood, or a hangover from archaic initiation rituals which leave traces in Plato's emphasis on education.’
    • ‘A mentoring process can facilitate graduates' induction into the profession as they assume school counseling positions.’
    • ‘But since her Oscar and her induction into Hollywood, she has entered a fallow period.’
    • ‘Vaidya's induction into the bank is part of the ongoing management restructuring at the bank, according to a release.’
    • ‘‘Hazing is to be understood as a form of socialization, or of induction into groups,’ said Young.’
    1. 1.1usually as modifier A formal introduction to a new job or position.
      ‘an induction course’
      • ‘When I arrived for induction, I saw only eight or 10 of the applicants with whom I had taken the test.’
      • ‘As job inductions go, the Lord Mayor's Show is certainly wide-ranging.’
      • ‘At their induction into a parish, priests are given what is called ‘real, actual and corporeal possession’ of a parish.’
      • ‘Mass recruitment, induction and education training for new members;’
      • ‘Their first week is likely to be made up of induction training in the mornings and gaining product knowledge on the shop floor in the afternoons.’
      • ‘Workers from all sub-contractors go through site inductions and, most times, have to sign-in every day they are on site.’
      • ‘Introduction to the library starts during students' initial induction.’
      • ‘The CO said this year would see a focus on staff inductions, expectations and education, as well as team activities.’
      installation, instatement, investiture, inauguration, introduction, swearing in, initiation
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    2. 1.2US Enlistment into military service.
      • ‘I had been driven down this highway on the way to my military induction ordeal.’
      • ‘In military induction the conflict is much more subtle involving society's need for security and its need for ethics.’
      • ‘Among the Zulu, King Shaka abolished initiation and substituted military induction for males.’
      • ‘I was classified 1A, which qualified me for induction into the US Army on February 20, 1951.’
      • ‘I was still on military time from my induction to government service.’
      • ‘Some events that proceeded my ac actual induction in the Army are really a part of this story.’
      • ‘In the 1960s and early 1970s, inner city youth were targeted for induction into military service.’
      • ‘A fair number of today's soldiers arrive at induction centers with only a basic knowledge of military traditions and of the Army's rich battle heritage.’
      • ‘We've all heard of the American bootcamp experience for induction training in the army.’
      • ‘I advanced rapidly and was a sergeant upon induction.’
      • ‘All other draft-age men should be subject to military induction.’
      • ‘If not more uniform than early induction into the military, schooling is, mercifully, the more common experience.’
      introduction, admission, admittance, installation, incorporation, ordination, investiture, investment, enlistment, enrolment, recruitment
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  • 2The process or action of bringing about or giving rise to something.

    ‘isolation, starvation, and other forms of stress induction’
    • ‘At 810 nm, on the other hand, the frequency of stress induction was much lower.’
    • ‘This applies not only to the initial induction of the two pollination regimes on plants, but also to subsequent field and greenhouse experiments.’
    • ‘His first hurdle was to devise a safe and effective method of seizure induction.’
    • ‘Thus, no clear evidence for the induction of this promoter by these stress conditions was found.’
    • ‘The induction of CAM is considered a stress response which maintains a positive carbon balance.’
    • ‘However, the induction of phycoerythrin under UV-B stress has also been reported.’
    • ‘A chapter on Trance Inductions offers extensive transcripts of several forms of hypnotic inductions that will be useful to the reader new to hypnosis.’
    • ‘Anthers subjected to stress conditions can become a target for embryo induction.’
    • ‘In addition to their induction by hypoxic stress, they are also found in rapidly growing tissues such as root tips of germinating seeds.’
    • ‘In this respect it should be noted that induction of heat-shock proteins can also be triggered by stress factors other than heat.’
    1. 2.1Medicine The process of bringing on childbirth or abortion by artificial means, typically by the use of drugs.
      • ‘Once the fetal demise was diagnosed, pregnancy was terminated by medical induction, such that the products of conception were largely delivered intact.’
      • ‘While in the US most women receive epidurals for pain relief in labor and many elect labor inductions, neither of these common procedures is evidence based.’
      • ‘A recent study indicates that Cytotec labor inductions in women who have had a previous cesarean carry a 28-fold increase in the risk of uterine rupture.’
      • ‘There seems to be a large percentage of inductions and Caesarian deliveries.’
      • ‘Labor is induced in up to 20 percent of pregnancies, and cervical ripening is required in about one half of inductions.’
      beginning, inception, onset, emergence, appearance, first appearance, arrival, eruption, dawn, birth
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  • 3Logic
    The inference of a general law from particular instances.

    Often contrasted with deduction
    • ‘Hans Reichenbach defended it by saying that the only conceivable way we can learn anything about nature is by making inductions from available evidence.’
    • ‘First, it seems to be that I agree that induction does not prove something; however, it also appeared to me that we both agreed that it was an ‘indicator.’’
    • ‘Hume famously claimed that inductions are based on regularities found in experience, and concluded that the inductive predictions may very well turn out being false.’
    • ‘For Aristotle, there are two species of arguments: inductions and deductions (Posterior Analytics I.1, 71a5ff.).’
    • ‘There are techniques to critical thinking, such as the careful application of logic or the alternative application of deduction and induction.’
    • ‘Similarly, there is no deductive proof that induction - inference from past evidence to future occurrences - is valid.’
    • ‘When this is pointed out, many fall back to the softer empiricist idea that we know by induction that nature in fact is economical in its means.’
    • ‘The two principal features of Bacon's new method were an emphasis on gradual, progressive inductions, and a method of exclusion.’
    deriving, deduction, deducing, inferring, inference, gathering, gleaning, drawing out, extraction, eliciting
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    1. 3.1induction of The production of facts to prove a general statement.
    2. 3.2Mathematics A means of proving a theorem by showing that if it is true of any particular case it is true of the next case in a series, and then showing that it is indeed true in one particular case.
      • ‘As well as his analysis of the nature of number, his work on mathematical induction is of major importance.’
      • ‘The principle of mathematical induction, claimed Poincaré, cannot be logically deduced.’
      • ‘This result is easy to prove by mathematical induction.’
      • ‘Many of the formula on the Fibonacci and Golden Section formulae page can be proved by induction.’
      • ‘The method of mathematical induction may be very useful.’
  • 4The production of an electric or magnetic state by the proximity (without contact) of an electrified or magnetized body.

    • ‘He published his theory of electrical induction in two papers, the first in 1845 and the second in 1847.’
    • ‘After all parts are connected, electromagnetic induction will cause stimulation of the cochlear nerve, which allows the patient to perceive sound.’
    • ‘This example illustrates the phenomenon of induction - an electrical charge built up due to the rearrangement of atoms.’
    • ‘Controlled adjustable manufacturing method for variable laminations used in electro-magnetic induction devices’
    • ‘Other topics he worked on include wave propagation, electrical induction, earthquakes, aeronautics, and the theory of tides.’
    1. 4.1 The production of an electric current in a conductor by varying the magnetic field applied to the conductor.
      • ‘As this bobbin is such an excellent conductor, the change in the magnetic flux is opposed in the bobbin by the induction of an alternating current.’
      • ‘This yields low eddy current losses at high induction levels.’
      • ‘These assumed action at a distance and deduced the mathematical laws for induction of electric currents.’
      • ‘According to Faraday's laws of electromagnetic induction, a changing magnetic field can induce electric current to flow in any conductive structure nearby.’
  • 5The stage of the working cycle of an internal combustion engine in which the fuel mixture is drawn into the cylinders.

    • ‘In speaking of Newtonian mechanics, he praised it for bringing so much under so few hypotheses, and spoke of it as a ‘consilience of inductions.’’


Late Middle English: from Latin inductio(n-), from the verb inducere ‘lead into’ (see induce).