octadecagon en · NOUN
Pronunciation
- (US) audio
Etymology
From octadeca- + -gon.
Meanings
-
(rare) A polygon with 18 sides and 18 vertices.
A regular octadecagon cannot be constructed using a compass and straightedge.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| octadecagons | Number=Plur | lexicographic |
Synonyms
Translations (35)
ru восемнадцатиугольник (geometry) · es octodecágono (geometry) · bg осемнадесетоъгълник (geometry) · th รูปสิบแปดเหลี่ยม (geometry) · pl osiemnastokąt (geometry) · hu tizennyolcszög (geometry) · frr Achtainhuk (geometry) · ro octodecagon (geometry) · tr onsekizgen (geometry) · sh осамнаестоугао (geometry) · cs osmnáctiúhelník (geometry) · mk осумнаесетаголник (geometry) · ko 십팔각형 (geometry) · stq Achttienkaant (geometry) · de Achtzehneck (geometry) · sv oktadekagon (geometry) · it ottadecagono (geometry) · ca octodecàgon (geometry) · fi 18-kulmio (kahdeksantoistakulmio) (geometry) · uk вісімнадцятикутник (geometry) · fr octadécagone (geometry) · pt octodecágono (geometry) · fy achttjinhoek (geometry) · eo dekoklatero (geometry) · frs achttainkâant (geometry) · gl octodecágono (geometry) · be васемнаццацікутнік (geometry) · nl achttienhoek (geometry) · el δεκαοκτάγωνο (geometry) · sl osemnajstkotnik (geometry) · ja 十八角形 (geometry) · cmn 十八邊形 /十八边形 (geometry) · ka თვრამეტკუთხედი (geometry) · sh osamnaestougao (geometry) · fy achttsjinhoek (geometry)