Graph (?), n. [See -graph.]

(Math.) 1. A curve or surface, the locus of a point whose coördinates are the variables in the equation of the locus.

2. A diagram symbolizing a system of interrelations by spots, all distinguishable from one another and some connected by lines of the same kind.

-graph (-gr&adot;f) [From Gr. gra`fein to write. See Graphic.]

A suffix signifying something written, a writing; also, a writer; as autograph, crystograph, telegraph, photograph.