octacontagon

O1C3T1A1C3O1N1T1A1G2O1N1

noun

A polygon with eighty sides and eighty angles.

Similar
80-gon
Scrabble 17
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Meanings

nounoctacontagon (plural octacontagons)

plural octacontagons

  1. geometryA polygon with eighty sides and eighty angles.

    Synonyms: 80-gon

Synonyms & antonyms

nounA polygon with eighty sides and eighty angles.

Similar
80-gon
Also see
80-gon

Origin

From octa- + -conta- + -gon.

Full word history & related roots →

Translations

Chinese Mandarin 八十邊形 /八十边形
  • 八十邊形 /八十边形 (bāshí biānxíng)geometry
Czech osmdesátiúhelník
  • osmdesátiúhelníkgeometry
Dutch tachtighoek
  • tachtighoekgeometry
Finnish 80-kulmio (kahdeksankymmenkulmio)
  • 80-kulmio (kahdeksankymmenkulmio)geometry
German Achtzigeck
  • Achtzigeckgeometry
Italian ottacontagono
  • ottacontagonogeometry
Japanese 八十角形
  • 八十角形 (hachijūkakukei)geometry
Korean 팔십각형
  • 팔십각형 (palsipgakhyeong)geometry
Polish 80-kąt (osiemdziesięciokąt)
  • 80-kąt (osiemdziesięciokąt)geometry
Russian восьмидесятиугольник
  • восьмидесятиугольник (vosʹmidesjatiugolʹnik)geometry
Cite this entry
APA

octacontagon. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/octacontagon

MLA

“octacontagon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/octacontagon. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “octacontagon,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/octacontagon.

Source: octacontagon on Wiktionary, CC BY-SA 4.0.