WordReference Random House Unabridged Dictionary of American English © 2026
di•a•gram•mat•ic
(dī′ə grə mat′ik),USA pronunciation adj.
di′a•gram•mat′i•cal•ly, adv.
- Mathematicsin the form of a diagram;
graphic;
outlined. - Mathematicspertaining to diagrams.
- diagram + -atic as in problem, problematic 1850–55
'diagrammatic' also found in these entries (note: many are not synonyms or translations):
cartogram
- diagram
- flowchart
- map
- Mind Map
- tree
- body plan
- graphic
- half-breadth plan
- organization chart
- schematic
- sheer plan
- square of opposition
- stick figure