Wiktionary

18-gon

English

edit

Etymology

edit

From 18 +‎ -gon.

Noun

edit

18-gon (plural 18-gons)

  1. (geometry, rare) Synonym of octadecagon: A polygon with 18 sides and 18 vertices.
Retrieved from "https://en.wiktionary.org/w/index.php?title=18-gon&oldid=80740365"