Definition of telephone exchange noun from the Oxford Advanced Learner's Dictionary


telephone exchange

BrE BrE//ˈtelɪfəʊn ɪkstʃeɪndʒ//
; NAmE NAmE//ˈtelɪfoʊn ɪkstʃeɪndʒ//
(also exchange)
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a place where telephone calls are connected so that people can speak to each other
See the Oxford Advanced American Dictionary entry: telephone exchange