Diagram

dī′a-gram, n. a figure or plan drawn in outline to illustrate any statement: a record traced by an automatic indicator.— adj. Diagram mat′ic .— adv. Diagram mat′ically .— n. Dī′agraph , an instrument for enabling unskilled persons to draw objects in outline.— adj. Diagraph′ic . [L.,—Gr. diagramma — dia , round, graphein , to write.]