diagram

[ dahy-uh-gram ]

noun

1. a figure, usually consisting of a line drawing, made to accompany and illustrate a geometrical theorem, mathematical demonstration, etc.
2. a drawing or plan that outlines and explains the parts, operation, etc., of something:

   a diagram of an engine.

3. a chart, plan, or scheme.

verb (used with object)

, di·a·gramed or di·a·grammed, di·a·gram·ing or di·a·gram·ming.

1. to represent by a diagram; make a diagram of.

diagram

/ ˌdaɪəɡrəˈmætɪk; ˈdaɪəˌɡræm /

noun

1. a sketch, outline, or plan demonstrating the form or workings of something
2. maths a pictorial representation of a quantity or of a relationship

   a Venn diagram

verb

1. to show in or as if in a diagram

Derived Forms

• diagrammatic, adjective
• ˌdiagramˈmatically, adverb

Other Words From

• dia·gramma·ble adjective
• mis·dia·grammed adjective
• un·dia·gramed adjective
• un·dia·grammed adjective

Word History and Origins

Origin of diagram¹

1610–20; < Latin diagramma < Greek: that which is marked out by lines. See dia-, -gram ¹

Word History and Origins

Origin of diagram¹

C17: from Latin diagramma, from Greek, from diagraphein, from graphein to write

Example Sentences

One group got diagrams and was told to add notes as needed to the diagrams.

From Science News For Students

She began redrawing those economics diagrams she’d memorized so diligently at university.

From Freakonomics

The only diagram in Darwin’s On the Origin of Species shows species splitting through time.

From Singularity Hub 

As beneficial as it is to create local content for your own website, Moz revealed that link signals are an important local search ranking factor that will help enhance your visibility as shown in the diagram below.

From Search Engine Watch

As a result, you’ll get information in diagrams and funnels.

From Search Engine Watch

Now, Thorne is out with a new diagram-heavy, 300-page book detailing how he shaped the science that powers the movie.

From The Daily Beast

There are indications of this early on, particularly in a scene in which Selina tries to teach Pervus to diagram sentences.

From The Daily Beast

But nobody can look at that diagram and think about anything other than an impressively sized phallus.

From The Daily Beast

Deep in the shadows they aimed a pinpoint flashlight at a diagram drawn from a recent satellite image.

From The Daily Beast

I ask Lynch to draw a diagram to show the before and after of TM.

From The Daily Beast

In the diagram the horizontal arrows represent such mere banking operations, not true circulation.

From Project Gutenberg

Odd differences, reflecting differences of intelligence, show themselves in the management of this diagram of the human face.

From Project Gutenberg

An example of a diagram of this kind has perhaps survived in a comparatively late writer, viz.

From Project Gutenberg

The diagram represents the position of the troops as witness from Franklin's Head-quarters, looking south.

From Project Gutenberg

I made him a diagram of Breadalbane Terrace, and a plan of the hall and staircase, on my dinner-card.

From Project Gutenberg