Standard Lemma guide

triacontagon

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 thirty sides.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

Examples

  • 1964 July, B. L. Chilton, On the Projection of the Regular Polytope {5, 3, 3} into a Regular Triacontagon, Canadian Mathematical Bulletin, Volume 7, Number 3, page 386, In the projection the 600 points can be classified in 12 sets: each set consists of either of 30 or of 60 vertices which lie on a circle concentric with the outer triacontagon.
  • 1997, Johannes Kepler, E. J. Aiton, Alistair Matheson Duncan, Judith Veronica Field (translators), The Harmony of the World, [1619, Harmonices Mundi], American Philosophical Society, Volume 309, page 59, What should the decision now be about the sides of the Triacontagon?

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Ancient Greek τρῐᾱ́κοντᾰ (trĭā́kontă) + -gon.

Across languages

Translations

22 source translations are retained for this English entry.

  • Belarusian: трыццацікутнік (tryccacikutnik) — geometry
  • Bulgarian: тридесетоъгълник (tridesetoǎgǎlnik) — geometry
  • Chinese Mandarin: 三十邊形 /三十边形 (sānshí biānxíng) — geometry
  • Czech: třicetiúhelník — geometry
  • Dutch: dertighoek — geometry
  • East Frisian Low German: daartiğkâant — geometry
  • Finnish: 30-kulmio (kolmekymmenkulmio) — geometry
  • North Frisian: Dörtighuk — geometry
  • Saterland Frisian: Trietichkaant — geometry
  • Saterland Frisian: Trüütichkaant — geometry
  • West-Frisian: tritichhoek — geometry
  • German: Dreißigeck — geometry
  • Hungarian: harmincszög — geometry
  • Italian: triacontagono — geometry
  • Japanese: 三十角形 (sanjūkakukei) — geometry
  • Korean: 삼십각형 (samsipgakhyeong) — geometry
  • Macedonian: триесетаголник (triesetagolnik) — geometry
  • Polish: trzydziestokąt — geometry
  • Portuguese: triacontágono — geometry
  • Russian: тридцатиуго́льник (tridcatiugólʹnik) — geometry
  • Spanish: triacontágono — geometry
  • Ukrainian: тридцятикутник (trydcjatykutnyk) — geometry