adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of a vector space, isomorphic to its dual space. not-comparable
2. 2
   Of a proposition that is equivalent to its dual. not-comparable
3. 3
   Of a graph or polyhedron, being the dual of itself. not-comparable

Etymology

From self- + dual.

Related phrases

anti-self-dualnon-self-dual

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.