associahedron
English edit
Etymology edit
(associativity rule), associate + -hedron
Pronunciation edit
Audio (UK) (file)
Noun edit
associahedron (plural associahedra)
- (mathematics) A convex polytope in which each vertex corresponds to a way of correctly inserting opening and closing parentheses in a word of n letters and the edges correspond to a single application of the associativity rule.