associahedron
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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.