Diagraphics

• (n.) The art or science of descriptive drawing; especially, the art or science of drawing by mechanical appliances and mathematical rule.
Found on http://thinkexist.com/dictionary/meaning/diagraphics/

Diagraphics

Di`a·graph'ics noun The art or science of descriptive drawing; especially, the art or science of drawing by mechanical appliances and mathematical rule.
Found on http://www.encyclo.co.uk/webster/D/57

diagraphics

art of making diagrams or drawings
Found on http://phrontistery.info/d.html
No exact match found