heptagonal

Fetched 2026-10-26 (cache).

Synonyms: pentagonal, heptagon, hexagonal, heptagons, heptanal

Antonyms: pentagonal, heptagon, hexagonal, heptagons, heptanal

Related words from Datamuse; suggestions, not definitions.

Adjective

1. Having seven angles and sides.
2. {{lb|en|math|of a number}} Belonging to the sequence generated by the formula <math>\frac{5n^2 - 3n}{2}</math>.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.