English · Word Candidate

diagram

/ˈdaɪ.ə.ɡɹæm/

Proposed by a contributor, not yet supported by evidence.

Also seen as: diagrams · diagramming · diagraming · diagrammed

Sense 1

Meaning · English

A plan, drawing, sketch or outline to show the function or operation of something, or to show the relationships between the parts of a whole.

Noun

Electrical diagrams show device interconnections.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Meaning · English

A graph or chart.

Noun

A common way to represent change in state over time is via a timing diagram.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Meaning · English

To represent or indicate something using a diagram.

Verb

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Meaning · English

To schedule the operations of a locomotive or train according to a diagram.

VerbRegister: UK

The timing and diagramming staff, too, were on duty for up to 21 hours devising 80 engine, 60 guards' and 25 carriage working diagrams.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

What does “diagram” mean?

A plan, drawing, sketch or outline to show the function or operation of something, or to show the relationships between the parts of a whole.

Is “diagram” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.