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diagram

[dahy-uh-gram] /ˈdaɪ əˌgræm/
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 or diagrammed, diagraming or diagramming.
4.
to represent by a diagram; make a diagram of.
Origin
1610-1620
1610-20; < Latin diagramma < Greek: that which is marked out by lines. See dia-, -gram1
Related forms
diagrammable, adjective
misdiagrammed, adjective
undiagramed, adjective
undiagrammed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un diagrammed

diagram

/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 -grams, -gramming, -grammed (US) -grams, -graming, -gramed
3.
to show in or as if in a diagram
Derived Forms
diagrammatic (ˌdaɪəɡrəˈmætɪk) adjective
diagrammatically, adverb
Word Origin
C17: from Latin diagramma, from Greek, from diagraphein, from graphein to write
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for un diagrammed

diagram

n.

1610s, from French diagramme, from Latin diagramma, from Greek diagramma "geometric figure, that which is marked out by lines," from diagraphein "mark out by lines, delineate," from dia- "across, out" (see dia-) + graphein "write, mark, draw" (see -graphy). The verb is 1840, from the noun.

Online Etymology Dictionary, © 2010 Douglas Harper
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