diagrams

1. 1
   noun

   Plural of diagram.

   The engineering report included detailed diagrams of the bridge's support structure.

   Wiring diagrams help electricians trace each circuit in the building.

   Note

   The plural covers every kind of diagram: plans and outlines, graphs and charts, crossword grids, and, in mathematics, the functors that map an index category into another category. The same spelling is also the verb's present-tense form. A determiner or modifier in front marks the noun (the diagrams, wiring diagrams), while a singular subject in front marks the verb.

2. 2
   verb

   Third-person singular simple present indicative of diagram.

   The analyst diagrams the data flow to spot bottlenecks in the system.

   Each chapter diagrams a key process in clearly labeled boxes.

   Note

   A transitive form, so an object usually follows directly: she diagrams the circuit, the manual diagrams each step. Railway work in the UK has a narrower use. A planner who diagrams a locomotive or train is scheduling its operations according to a diagram, not drawing anything.

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