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)

diagramed, diagrammed, diagraming, diagramming. 

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

Other Word Forms

• diagrammable adjective
• misdiagrammed adjective
• undiagramed adjective
• undiagrammed adjective
• diagrammatic adjective
• diagrammatically adverb

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

Over time, published diagrams came close to showing the true shape of the optic nerves but never captured it fully.

Read more on Science Daily

And she knew Beowulf was quite talented at drawing; by now he had no doubt sketched a scale diagram of Buckingham Palace’s fluted columns and soothing symmetrical features, with no bloody claws to be seen.

Read more on Literature

Did she keep a notebook full of complicated diagrams?

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When every sentence, symbol and diagram is converted into braille, each test booklet becomes six to nine times thicker than the standard equivalent.

Read more on BBC

But there is a Venn diagram to his vendettas, an overlap in his circle of obsessions.

Read more on Salon