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English definition of “during”


preposition (THROUGH)    /ˈdjʊə.rɪŋ/ US  /ˈdʊr.ɪŋ/
A2 from the beginning to the end of a particular period : They work during the night and sleep by day . There were huge advances in aviation technology during the Second World War . → Compare while conjunctionSimultaneous and consecutiveOrder and sequence while conjunctionGrammar:DuringWe use during before nouns and noun phrases to refer to when something happens over a period of time. During can refer to the whole time of the event:
(Definition of during preposition (THROUGH) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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