from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. In the manner of a diagram; a graphic representation used to show how something works.
from The Century Dictionary and Cyclopedia
- After the manner of a diagram; by means of a diagram or diagrams; schematically.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. in a diagrammatic manner
diagrammatical + -ly (Wiktionary)