Graph

Graph, graf, n. a representation by means of lines, exhibiting the nature of the law according to which some phenomena vary: -graph is used as a terminal in many Greek compounds to denote an agent which writes, &c., as telegraph, seismograph, or the thing written, as in autograph, &c.—adjs. Graph′ic, -al, pertaining to writing, describing, or delineating: picturesquely described: vivid.—adv. Graph′ically.—ns. Graph′icness; Graphiol′ogy, the science or art of writing or delineating, or a treatise thereon; Graph′is, a genus of lichens, remarkable for the resemblance which the fructification assumes to the forms of the letters of Oriental alphabets; Graph′īte, a mineral, commonly called blacklead or plumbago (though containing no lead), largely used in making pencils.—adj. Graphit′ic.—ns. Graph′ium, a stylus; Graphol′ogy, the science of estimating character, &c., from handwriting.—Graphic arts, painting, drawing, engraving, as opposed to music, sculpture, &c.; Graphic granite, a variety of granite with markings like Hebrew characters. [Gr. graphē, a writing—graphein, to write.]