[graf, grahf]
a diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, bars, etc.
a series of points, discrete or continuous, as in forming a curve or surface, each of which represents a value of a given function.
Also called linear graph. a network of lines connecting points.
a written symbol for an idea, a sound, or a linguistic expression.
verb (used with object)
Mathematics. to draw (a curve) as representing a given function.
to represent by means of a graph.

1875–80; short for graphic formula; see graphic

regraph, verb (used with object)

gaff, gaffe, graph.

1. See map. Unabridged


variant of grapho- before a vowel: grapheme.


a combining form meaning “drawn,” “written” (lithograph; monograph ); specialized in meaning to indicate the instrument rather than the written product of the instrument (telegraph; phonograph ).

< Greek -graphos (something) drawn or written, one who draws or writes. See grapho- Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
graph (ɡrɑːf, ɡræf)
1.  See also bar graph Also called: chart a drawing depicting the relation between certain sets of numbers or quantities by means of a series of dots, lines, etc, plotted with reference to a set of axes
2.  maths a drawing depicting a functional relation between two or three variables by means of a curve or surface containing only those points whose coordinates satisfy the relation
3.  maths a structure represented by a diagram consisting of points (vertices) joined by lines (edges)
4.  linguistics a symbol in a writing system not further subdivisible into other such symbols
5.  (tr) to draw or represent in a graph
[C19: short for graphic formula]

n combining form
1.  an instrument that writes or records: telegraph
2.  a writing, record, or drawing: autograph; lithograph
[via Latin from Greek -graphos, from graphein to write]
adj combining form
adj combining form
adv combining form

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1878, shortening of graphic formula (see graphic). The verb is from 1898.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

-graph suff.
An instrument for writing, drawing, or recording: cardiograph.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
graph   (grāf)  Pronunciation Key 
  1. A diagram showing the relationship of quantities, especially such a diagram in which lines, bars, or proportional areas represent how one quantity depends on or changes with another.

  2. A curve or line showing a mathematical function or equation, typically drawn in a Cartesian coordinate system. The graph of the function y = x2 is a parabola.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

graph definition

1. A collection of nodes and edges.
See also connected graph, degree, directed graph, Moore bound, regular graph, tree.
2. A visual representation of algebraic equations or data.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
Each one is tracked by a satellite frequency, its progress displayed by a
  colored graph on his computer monitor.
The graph is a collection of dots, or vertices, connected by lines.
This graph at first seems pretty silly to me, but then it is very useful in
  presenting the data.
Mind you, please be skeptical of this graph.
Images for graph
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