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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
1875-1880
1875-80; short for graphic formula; see graphic
Related forms
regraph, verb (used with object)
Can be confused
gaff, gaffe, graph.
Synonyms
1. See map.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for regraph

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
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
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Word Origin and History for regraph
graph
1878, shortening of graphic formula (see graphic). The verb is from 1898.
Online Etymology Dictionary, © 2010 Douglas Harper
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regraph in Science
graph
  (grāf)   
  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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