octadecagon

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

octadeca- +‎ -gon

Noun[edit]

octadecagon (plural octadecagons)

  1. (geometry, rare) A polygon with 18 sides and 18 vertices.
    A regular octadecagon cannot be constructed using a compass and straightedge.

Translations[edit]