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