noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   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.

Etymology

(associativity rule), associate + -hedron

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