graph

[graf, grahf] /græf, grɑf/
noun
1.
a diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, bars, etc.
2.
Mathematics.
1. a series of points, discrete or continuous, as in forming a curve or surface, each of which represents a value of a given function.
2. Also called linear graph. a network of lines connecting points.
3.
a written symbol for an idea, a sound, or a linguistic expression.
verb (used with object)
4.
Mathematics. to draw (a curve) as representing a given function.
5.
to represent by means of a graph.
Origin of graph
1875-1880
1875-80; short for graphic formula; see graphic
Related forms
regraph, verb (used with object)
Synonyms
1. See map.

graph-

1.
variant of grapho- before a vowel:
grapheme.

-graph

1.
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).
Origin
< Greek -graphos (something) drawn or written, one who draws or writes. See grapho-
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for graph
Contemporary Examples
• Here's a key to understand the graph of accuracy: ●      Lab: The polysomnograph, the benchmark for the other three.

• graph Search, timeline, ticker—whatever happened to the cheap thrill of the poke?

January 16, 2013
• Matt Yglesias points out the result, in the form of this graph from the New York Times.

• And if you graph the Iraq War spending against our trade deficit, the parallels are pretty underwhelming.

• What this graph indisputably tells us is that there are limits to the efficacy of enforcement.

May 29, 2013
Historical Examples
• He unfolded a sheet of graph paper a yard long and almost as wide.

Henry Beam Piper
• The graph looked as if a drunken caterpillar had been sketching on it.

Robert Sheckley
• The scribes, being acquainted with the graph st for t, ht (see KH 249 note), mechanically substituted the latter here.

• We have a picture, or graph, as we say, of how this plate current varies.

John Mills
• For a while there was only the whining of the machines and the crazy doodling of the graph.

Robert Sheckley
British Dictionary definitions for graph

graph

/ɡrɑːf; ɡræf/
noun
1.
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 See also bar graph
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
verb
5.
(transitive) to draw or represent in a graph
Word Origin
C19: short for graphic formula

-graph

combining form
1.
an instrument that writes or records: telegraph
2.
a writing, record, or drawing: autograph, lithograph
Derived Forms
Word Origin
via Latin from Greek -graphos, from graphein to write
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for graph
n.

1878, shortening of graphic formula (see graphic). The verb meaning "charted on a graph" is from 1889. Related: Graphed; graphing.

-graph

word-forming element meaning "instrument for recording; something written," from Greek graphe "writing," from graphein "to write, express by written characters," earlier "to draw, represent by lines drawn" (see -graphy).

Online Etymology Dictionary, © 2010 Douglas Harper
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graph in Medicine

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

The American Heritage® Stedman's Medical Dictionary
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graph in Science
 graph   (grāf)    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.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
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graph in Technology

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.
(1996-09-22)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Difficulty index for graph

Most English speakers likely know this word

Word Value for graph

11
12
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