break-up

break up — phrasal verb with break verb uk/breɪk/ uspast tense broke | past participle broken
(SCHOOL)B1 When schools or colleges break up, the classes end and the holidays begin.

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BREAK-UP noun

[ C ] uk/ˈbreɪkʌp/ us break-up noun [C]
(SEPARATION)

the separation of a country, group, etc into several smaller parts

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