Standard Lemma guide

enneacontagon

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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No pronunciation record was provided for this word.

1

noun

Meaning 1

A polygon with 90 sides and 90 angles.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

13 source translations are retained for this English entry.

  • Chinese Mandarin: 九十邊形 /九十边形 (jiǔshí biānxíng) — geometry
  • Czech: devadesátiúhelník — geometry
  • Dutch: negentighoek — geometry
  • East Frisian Low German: neegentiğkâant — geometry
  • Finnish: 90-kulmio (yhdeksänkymmenkulmio) — geometry
  • North Frisian: Neegentighuk — geometry
  • Saterland Frisian: Njuugentichkaant — geometry
  • West-Frisian: njoggentichhoek — geometry
  • German: Neunzigeck — geometry
  • Japanese: 九十角形 (kyūjūkakukei) — geometry
  • Korean: 구십각형 (gusipgakhyeong) — geometry
  • Polish: 90-okąt (dziewięćdziesięciokąt) — geometry
  • Russian: девяностоугольник (devjanostougolʹnik) — geometry