diagramming

Verb

diagram (third-person singular simple present diagrams, present participle diagramming or (rare) diagraming, simple past and past participle diagrammed or (rare) diagramed)

1. (transitive) To represent or indicate something using a diagram.
2. (UK) To schedule the operations of a locomotive or train according to a diagram.
   • The timing and diagramming staff, too, were on duty for up to 21 hours devising 80 engine, 60 guards' and 25 carriage working diagrams.1961 March, “Talking of trains”, in Trains Illustrated, page 131

See all 6 meanings of diagram