definitions

# graph

[ graf, grahf ]
/ græf, grɑf /

### noun

a diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, bars, etc.
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.
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.

## Origin of graph

1875–80; short for graphic formula; see graphic

1 See map.

## Related forms

re·graph, verb (used with object)

## graph-

variant of grapho- before a vowel: grapheme.

## -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).

## Origin of -graph

< Greek -graphos (something) drawn or written, one who draws or writes. See grapho-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## graph

/ (ɡrɑːf, ɡræf) /

### noun

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

### verb

(tr) to draw or represent in a graph

## Word Origin for graph

C19: short for graphic formula

## -graph

### n combining form

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

## Word Origin for -graph

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

## -graph

### suff.

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