Meaning & use

diagram

noun, verb·Everyday

Last updated

UK/ˈdaɪəɡræm/
US/ˈdaɪəɡræm/

Meanings

  1. nouncountable

    A simple drawing that explains how something is built, how it works or how its parts relate.

    Grammar: Countable: draw a diagram.

    Patterns

    • a diagram of something
    • draw a diagram

    The teacher drew a diagram of the human heart.

    Follow the diagram to assemble the shelf.

    A wiring diagram showed where each cable goes.

  2. verbtransitive

    To show or explain something with a diagram.

    Grammar: Takes an object: diagram a sentence.

    Patterns

    • diagram something

    Students diagram sentences in grammar class.

    The engineer diagrammed the system.

Word forms

pluraldiagrams
third person singulardiagrams
past tensediagrammed
past participlediagrammed
-ing formdiagramming

Common combinations

draw a diagram
Draw a diagram of the circuit.
flow diagram
The flow diagram shows each step.
Venn diagram
A Venn diagram compares two sets.
labeled diagram
Study the labeled diagram.

Synonyms and how they differ

chart
Chart usually shows data or information in a table or graph.
sketch
Sketch is a rough drawing, not necessarily explanatory.
schematic
Schematic is a technical diagram of a system, such as electronics.

Word family

diagrammatic adjective
in the form of a diagram

Commonly confused: diagram or diagnosis?

diagram vs diagnosis

A diagnosis identifies a disease or problem; a diagram is a drawing.

Practice

Which is a diagram?

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