a simple drawing using lines to explain where something is, how something works, etc. a diagram of the wiring system The results are shown in diagram 2.
NAmE//ˌdaɪəɡrəˈmæt̮ɪk//
adjective NAmE//ˌdaɪəɡrəˈmæt̮ɪkli//
adverbSee diagram in the Oxford Advanced Learner's DictionaryCheck pronunciation: diagram