Pronunciation

change
  • (UK) (US) IPA (key): /ˈdaɪ.ə.ɡræm/ or /ˈdaɪ.ɡræm/
  • (file)

Singular
diagram

Plural
diagrams

 
Example of a diagram to show how a machine is set up
  1. (countable) A diagram is a drawing, or sketch, to show how something, such as a machine, works.
    You can see from this diagram that the electric switch is very simple, in fact.
    Here is a diagram of some machines in a power plant.

Plain form
diagram

Third-person singular
diagrams

Past tense
diagramed

Past participle
diagramed

Present participle
diagraming

Plain form
diagram

Third-person singular
diagrams

Past tense
diagrammed

Past participle
diagrammed

Present participle
diagramming

  1. (transitive) If you diagram something or someone, you show it using a diagram.
    They diagramed the building they were about to build.