Definition of initiator in English:



  • 1A person or thing that initiates someone or something.

    • ‘Many of the workers and union officials targeted in the witch-hunts had been leaders and initiators of the militant struggles of the 1930s and early 1940s.’
    • ‘The initiators were mostly men of the left: revolutionary syndicalists and former Marxists.’
    • ‘Producers, like journalists, are only observers, not initiators.’
    • ‘Should that thus mean that the initiators of the boycott motion have failed since the vote has been revoked?’
    • ‘As initiators of culture and producers of the societies in which we live, the destiny of modern man is our conscious choice.’
    • ‘According to the initiators of the idea, Sofia is divided into too many parts and this poses difficulties.’
    • ‘Getting the required recognition and accreditation is one of the challenges before the initiators of this movement.’
    • ‘For this support the initiators of the plan are most grateful.’
    • ‘Another red herring is the search for the main initiators of regulatory excess.’
    • ‘They tend to be initiators and leaders of play, at least in the beginning, but are willing to follow others as well.’
    • ‘The once excited initiators of public interest lawyering began turning their attention to other ideas, including institutionalizing alternative dispute forums.’
    • ‘Sudden role reversals make it possible for the initiator to rationalise contradictions.’
    • ‘The initiators are still looking for a prospective Palestinian chief warden.’
    • ‘Skill-building and low opportunity costs are likely economic reasons for initiators to start a programming project.’
    • ‘Women managers are effective social initiators and their biggest strength is communication.’
    • ‘The meeting will be participated in by foreign ministers from six countries, Indonesia, as the initiator, the Philippines, Australia, New Zealand, Papua New Guinea and the newly born state of East Timor.’
    • ‘He was the initiator of the scheme and probably its architect.’
    • ‘Three cultural institutes in Sofia, the Italian, Czech and French, were the initiators of the project for cooperative opera singing, gathering famous opera singers from Italy, France, the Czech Republic and Bulgaria.’
    • ‘The initiators of this alarm have been active for many decades in the defence of human rights inside the State of Israel and beyond.’
    • ‘After creating some initial noise its initiator immediately moved to disband it.’
    initiator, prime mover, motivator, architect, designer, deviser, planner, shaper, inventor, maker, producer, contriver, mastermind, originator, author, creator, founder, pioneer, father, mother, founding father, agent
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    1. 1.1Chemistry A substance which starts a chain reaction.
      • ‘For the synthetic studies, we made the peptides by polymerising an activated form of the amino acid (the N carboxyanhydride) using a nucleophile as an initiator.’
      • ‘Macrodiols with different thermal characteristics were prepared using ring-opening polymerization of cyclic diesters or lactones with a low molecular weight diol as an initiator.’
      • ‘On another front, progress has recently been made in rendering polycondensation itself a controlled, living process by the judicious choice of monomer and well-defined molecular initiators.’
      • ‘The reaction is started by an initiator, usually a free radical R, that bonds to one of the carbon atoms of ethylene.’
      • ‘Furthermore, graft polymers can be produced by the use of high molecular radical polymerization initiators from which an alkoxyamine group suspends.’
      cause, agent, instrument, driver, originator, initiator, generator
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    2. 1.2 An explosive or device used to detonate a larger one.
      • ‘They're using cell phones as initiators to set off explosive devices when we get down on them.’
      origin, place of origin
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