icosagon

I1C3O1S1A1G2O1N1

noun

A polygon with twenty sides and twenty angles.

Similar
20-gon
OriginAncient Greek εἰκοσάγωνος →
Scrabble 11
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Meanings

nounicosagon (plural icosagons)

plural icosagons

  1. geometryA polygon with twenty sides and twenty angles.

    1993 The upper half of a regular icosagon frame is folded. - author? - Space Structures 4

    Synonyms: 20-gon

Synonyms & antonyms

nounA polygon with twenty sides and twenty angles.

Similar
20-gon
Also see
20-gon

Origin

  1. Ancient Greekεἰκοσάγωνος“having twenty sides”
  2. Englishicosagon

From Ancient Greek εἰκοσάγωνος (eikoságōnos, “having twenty sides”), from εἴκοσι (eíkosi, “twenty”) + γωνία (gōnía, “angle”). Equivalent to icosa- + -gon.

More words from Ancient Greek

Full word history & related roots →

Translations

Bulgarian двадесетоъгълник
  • двадесетоъгълник (dvadesetoăgălnik)20-sided polygon
Catalan icosàgon
  • icosàgon20-sided polygon
Chinese Mandarin 二十邊形 /二十边形
  • 二十邊形 /二十边形 (èrshí biānxíng)20-sided polygon
Czech dvacetiúhelník
  • dvacetiúhelník20-sided polygon
Dutch twintighoek
  • twintighoek20-sided polygon
Esperanto dudeklatero
  • dudeklatero20-sided polygon
Finnish 20-kulmio (kaksikymmenkulmio)
  • 20-kulmio (kaksikymmenkulmio)20-sided polygon
French icosagone
  • icosagone20-sided polygon
German Zwanzigeck
  • Zwanzigeck20-sided polygon
Greek εικοσάγωνο
  • εικοσάγωνο (eikoságono)20-sided polygon
Hungarian húszszög
  • húszszög20-sided polygon
Italian icosagono
  • icosagono20-sided polygon
Japanese 二十角形
  • 二十角形 (nijūkakukei)20-sided polygon
Korean 이십각형
  • 이십각형 (isipgakhyeong)20-sided polygon
Polish dwudziestokąt
  • dwudziestokąt20-sided polygon
Portuguese icoságono
  • icoságono20-sided polygon
Romanian icosagon
  • icosagon20-sided polygon
Russian двадцатиугольник
  • двадцатиугольник (dvadcatiugolʹnik)20-sided polygon
Spanish isodecágono
  • isodecágono20-sided polygon
Swedish ikosagon
  • ikosagon20-sided polygon
Thai รูปยี่สิบเหลี่ยม
  • รูปยี่สิบเหลี่ยม20-sided polygon
Turkish yirmigen
  • yirmigen20-sided polygon
Ukrainian двадцятикутник
  • двадцятикутник (dvadcjatykutnyk)20-sided polygon
Cite this entry
APA

icosagon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/icosagon

MLA

“icosagon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/icosagon. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “icosagon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/icosagon.

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