| diagraph | A drawing instrument, combining a protractor and scale. Origin: Gr. To draw: cf. F. Diagraphe. See Diagram. Source: Websters Dictionary (01 Mar 1998) |
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| diagraphic | Alternative form of descriptive. Origin: Cf. F. Diagraphique. Source: Websters Dictionary (01 Mar 1998) |
| diagraphical | Alternative form of descriptive. Origin: Cf. F. Diagraphique. Source: Websters Dictionary (01 Mar 1998) |
| diagraphics | The art or science of descriptive drawing; especially, the art or science of drawing by mechanical appliances and mathematical rule. Source: Websters Dictionary (01 Mar 1998) |