n. & v.
—n.
1 a diagram showing the relation between variable quantities, usu. of two variables, each measured along one of a pair of axes at right angles.
2 Math. a collection of points whose coordinates satisfy a given relation.
—v.tr. plot or trace on a graph.
Phrases and idioms:
graph paper paper printed with a network of lines as a basis for drawing graphs.
Etymology: abbr. of graphic formula
2.
n. Linguistics a visual symbol, esp. a letter or letters, representing a unit of sound or other feature of speech.
Etymology: Gk graphe writing
Useful english dictionary. 2012.