(graf, gräf) noun
1. A diagram indicating any sort of relationship between two or more things by means of a system of dots, curves, bars, or lines.
2. Math. The locus of a point moving in relation to coordinates so that all of its values satisfy a function of an equation.
—v.t. To trace or represent in the form of a graph. [Short for graphic formula]

1. One who or that which writes or records: phonograph.
2. A writing or record: monograph. [<F -graphe <L -graphus <Gk. -graphos <graphein write]