From Wiktionary, the free dictionary
From super- + development.
superdevelopment (plural superdevelopments)
- (mathematics) A particular form or development
2010, Eduardo Bonelli, Pablo Barenbaum, “Superdevelopments for Weak Reduction”, in (Please provide the book title or journal name)[1]:
In contrast to developments, a superdevelopment from a term M allows not only residuals of redexes in M to be reduced but also some newly created ones.