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English definition of “a head of steam”

a head of steam

the force produced by a large amount of steam in a closed spaceEnergy, force and powerPower and intensity a situation in which a person or an activity starts to become very active or successful: They're really beginning to build up a head of steam for their campaign.Busy and activeHurrying and doing things quicklySuccessful (things or people)
(Definition of a head of steam from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “a head of steam”

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