Standard Lemma guide

icosagon

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A polygon with twenty sides and twenty angles.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

Examples

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

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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

Across languages

Translations

35 source translations are retained for this English entry.

  • Belarusian: дваццацікутнік (dvaccacikutnik) — 20-sided polygon
  • Bulgarian: двадесетоъгълник (dvadesetoǎgǎlnik) — 20-sided polygon
  • Catalan: icosàgon — 20-sided polygon
  • Chinese Mandarin: 二十邊形 /二十边形 (èrshí biānxíng) — 20-sided polygon
  • Czech: dvacetiúhelník — 20-sided polygon
  • Dutch: twintighoek — 20-sided polygon
  • East Frisian Low German: twintiğkâant — 20-sided polygon
  • Esperanto: dudeklatero — 20-sided polygon
  • Finnish: 20-kulmio (kaksikymmenkulmio) — 20-sided polygon
  • French: icosagone — 20-sided polygon
  • North Frisian: Twuntighuk — 20-sided polygon
  • Saterland Frisian: Twintichkaant — 20-sided polygon
  • West-Frisian: tweintichhoek — 20-sided polygon
  • West-Frisian: twintichhoek — 20-sided polygon
  • Galician: isodecágono — 20-sided polygon
  • Georgian: ოცკუთხედი (ocḳutxedi) — 20-sided polygon
  • German: Zwanzigeck — 20-sided polygon
  • Greek: εικοσάγωνο (eikoságono) — 20-sided polygon
  • Hungarian: húszszög — 20-sided polygon
  • Italian: icosagono — 20-sided polygon
  • Japanese: 二十角形 (nijūkakukei) — 20-sided polygon
  • Korean: 이십각형 (isipgakhyeong) — 20-sided polygon
  • Macedonian: дваесетаголник (dvaesetagolnik) — 20-sided polygon
  • Polish: dwudziestokąt — 20-sided polygon
  • Portuguese: icoságono — 20-sided polygon
  • Romanian: icosagon — 20-sided polygon
  • Russian: двадцатиугольник (dvadcatiugolʹnik) — 20-sided polygon
  • Serbo-Croatian: двадесетоугао — 20-sided polygon
  • Serbo-Croatian: dvadesetougao — 20-sided polygon
  • Slovene: dvajsetkotnik — 20-sided polygon
  • Spanish: isodecágono — 20-sided polygon
  • Swedish: ikosagon — 20-sided polygon
  • Thai: รูปยี่สิบเหลี่ยม — 20-sided polygon
  • Turkish: yirmigen — 20-sided polygon
  • Ukrainian: двадцятикутник (dvadcjatykutnyk) — 20-sided polygon