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English definition of “length”

length

noun (TIME)    /leŋθ/
B2 [C] the amount of time something lasts: the length of a film/speech/play He is unable to concentrate on his work for any length of time (= for anything more than a short time).Measurements in generalPeriods of time - general words C1 [C or U] the amount of writing in a book or document: He's written books of various lengths on the subject. All of your essays will be about the same length.Measurements in general at length C2 for a long time: George went on at great length about his various illnesses.Continuous and permanent formal If something happens at length, it happens after a long period of time: At length, the authorities allowed her to go home.Continue and last
(Definition of length noun (TIME) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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