Definition of tree diagram noun from the Oxford Advanced Learner's Dictionary


tree diagram

BrE BrE//ˈtriː daɪəɡræm//
; NAmE NAmE//ˈtriː daɪəɡræm//
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a diagram with lines that divide more and more as you move to lower levels to show the relationships between processes, people etc.
See the Oxford Advanced American Dictionary entry: tree diagram