noun. Sounds like someone needs their learning juice.
Real citation: "The De-edumacation of the American Brainscape"
(The Colbert Report, Jan. 18, 2006)
Made-up citation: "The only non-humans who engage in edumacation, not de-edumacation, are ants. As a Visiting Assistant Professor of Problematic Heuristics, I couldn't be more proud."