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graph

[graf, grahf]
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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.
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verb (used with object)
  1. Mathematics. to draw (a curve) as representing a given function.
  2. to represent by means of a graph.
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Origin of graph

1875–80; short for graphic formula; see graphic
Related formsre·graph, verb (used with object)

Synonyms for graph

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1. See map.

graph-

  1. variant of grapho- before a vowel: grapheme.
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-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).
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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. 2018

Related Words for graph

chart

Examples from the Web for graph

Contemporary Examples of graph

Historical Examples of graph


British Dictionary definitions for graph

graph

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 axesSee 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
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verb
  1. (tr) to draw or represent in a graph
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Word Origin for graph

C19: short for graphic formula

-graph

n combining form
  1. an instrument that writes or recordstelegraph
  2. a writing, record, or drawingautograph; lithograph
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Derived Forms-graphic or -graphical, adj combining form-graphically, adv combining form

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

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 in Medicine

-graph

suff.
  1. 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 in Science

graph

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