18-gon

Fetched 2026-10-26 (cache).

Synonyms: 18, 11, h8, 1a, 12, g8, 16, 88, 8, 10, 15, 13

Antonyms: 18, 11, h8, 1a, 12, g8, 16, 88, 8, 10, 15, 13

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|geometry|rare}} {{synonym of|en|octadecagon}}: A [[polygon]] with 18 [[side]]s and 18 [[vertex|vertices]].

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