WordReference Random House Learner's Dictionary of American English © 2026
graph /græf/USA pronunciation
n. [countable]
v. [~ + object]
-graph-, root.
WordReference Random House Unabridged Dictionary of American English © 2026- a diagram representing a system of connections or relations among two or more things, as by a number of dots, shapes, or lines.
v. [~ + object]
- to represent by means of a graph:The economists graphed the current trends.
-graph-, root.
- Telecommunications-graph- comes from Greek, where it has the meaning "written down, printed, drawn.'' This meaning is found in such words as: autograph, bibliography, biography, calligraphy, cartography, choreography, cinematography, digraph, geography, graph, graphic, graphite, hagiography, holography, ideograph, lexicography, lithography, mimeograph, monograph, oceanography, orthography, paragraph, phonograph, photograph, pictograph, polygraph, pornography, seismograph, telegraph, typography. See -gram.
graph
(graf, gräf ),USA pronunciation n.
v.t.
graph-,
-graph,
- a diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, bars, etc.
- [Math.]
- Mathematicsa series of points, discrete or continuous, as in forming a curve or surface, each of which represents a value of a given function.
- MathematicsAlso called linear graph. a network of lines connecting points.
- a written symbol for an idea, a sound, or a linguistic expression.
v.t.
- Mathematicsto draw (a curve) as representing a given function.
- to represent by means of a graph.
- 1875–80; short for graphic formula; see graphic
- 1. See map.
graph-,
- var. of grapho- before a vowel:grapheme.
-graph,
- Telecommunicationsa combining form meaning "drawn,'' "written'' (lithograph;
monograph);
specialized in meaning to indicate the instrument rather than the written product of the instrument (telegraph;
phonograph).
- Greek -graphos (something) drawn or written, one who draws or writes. See grapho-