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English definition of “interval”

interval

noun [C] uk   /ˈɪn.tə.vəl/ us    /-t̬ɚ-/

interval noun [C] (TIME/DISTANCE)

C2 a period between two events or times, or the space between two points: We see each other at regular intervals - usually about once a month. There's often a long interval between an author completing a book and it appearing in the shops. B1 UK (US intermission) a short period between the parts of a performance or a sports event: There will be two 20-minute intervals during the opera. He scored his first goal of the match three minutes after the interval. at intervals repeated after a particular period of time or a particular distance: In the event of fire, the alarm will sound at 15-second intervals/at intervals of 15 seconds.

interval noun [C] (MUSIC)

specialized music the amount by which one note is higher or lower than another: an interval of a fifth (= between one note and another one four notes higher)
(Definition of interval from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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