diagrammatic

from WordNet (r) 3.0 (2006)

diagrammatic
    adj 1: shown or represented by diagrams [syn: {diagrammatic},
           {diagrammatical}]

from The Collaborative International Dictionary of English v.0.48

Diagrammatic \Di`a*gram*mat"ic\, a.
   Pertaining to, or of the nature of, a diagram; showing by
   diagram. -- {Di`a*gram*mat"ic*ly}, adv.
   [1913 Webster]