# graph

[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.
- Mathematics.
- 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.

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- Mathematics. to draw (a curve) as representing a given function.
- to represent by means of a graph.

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## Origin of graph^{}

## Synonyms

See more synonyms for graph on Thesaurus.com1. See map.

## graph-

- variant of grapho- before a vowel: grapheme.

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## -graph

- 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).

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## Origin of -graph^{}

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## 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.

#### He built a structure out of words on the graph paper just as he would a mini-house with his toys.

The Crossword Puzzle Turns 100: The ‘King of Crossword’ on Its Strange HistoryKevin Fallon

December 21, 2013

#### It also draws a graph of how well you slept, which tells you whether that midnight snack was good for your sleep or not.

#### He sees a big difference between the display ads that Facebook has now and the ones that could be integrated into Graph Search.

#### Because of the rich detail it provides, "Graph Search could be the stalker's utility of the millennium," he said.

### Historical Examples

#### Quite definitely and clearly, the graph looped down to zero.

The Ultimate WeaponJohn Wood Campbell

#### The graph looked as if a drunken caterpillar had been sketching on it.

Diplomatic ImmunityRobert Sheckley

#### For a while there was only the whining of the machines and the crazy doodling of the graph.

Diplomatic ImmunityRobert Sheckley

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

Letters of a Radio-Engineer to His SonJohn Mills

#### Then we would represent the story of this 60 cents by the graph of Fig. 61b.

Letters of a Radio-Engineer to His SonJohn Mills

## 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 axesSee also bar graph
- 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
- maths a structure represented by a diagram consisting of points (vertices) joined by lines (edges)
- linguistics a symbol in a writing system not further subdivisible into other such symbols

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- (tr) to draw or represent in a graph

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## Word Origin

C19: short for graphic formula

## -graph

- an instrument that writes or recordstelegraph
- a writing, record, or drawingautograph; lithograph

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## Word Origin

via Latin from Greek -graphos, 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

## 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.

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## -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).

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Online Etymology Dictionary, © 2010 Douglas Harper

## -graph

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

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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

## graph

[grăf]

- 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.

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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.