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
1875-80; short for graphic formula; see graphic
Related forms
regraph, verb (used with object)
Can be confused
gaff, gaffe, graph.
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-
Examples from the web for graph
  • Each one is tracked by a satellite frequency, its progress displayed by a colored graph on his computer monitor.
  • The graph is a collection of dots, or vertices, connected by lines.
  • This graph at first seems pretty silly to me, but then it is very useful in presenting the data.
  • Mind you, please be skeptical of this graph.
  • You can't draw a straight-line graph that connects a cellphone, app phone and laptop; you'd need a triangle.
  • If you were to view this as a graph, you would see that half the boys score higher than 492, but only 5% of the girls do.
  • Actually, the entire graph is linear, that's why they call it a 'line' graph.
  • He included a graph with his journal article.
  • He drew it up on graph paper that night.
  • That the process is essentially one of exponential increase is most easily shown on a graph.
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
-graphic, -graphical, combining_form:in_adjective
-graphically, combining_form:in_adverb
Word Origin
via Latin from Greek -graphos, from graphein to write
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).

graph in Medicine

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

graph 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.


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)