Standard Lemma guide

pentadecagon

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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  • /ˌpɛntəˈdɛkəɡən/
  • UK: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A polygon with fifteen sides.

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

From pentadeca- + -gon.

Across languages

Translations

36 source translations are retained for this English entry.

  • Belarusian: пятнаццацікутнік (pjatnaccacikutnik) — 15-sided polygon
  • Bulgarian: петнадесетоъгълник (petnadesetoǎgǎlnik) — 15-sided polygon
  • Catalan: pentadecàgon — 15-sided polygon
  • Chinese Mandarin: 十五邊形 /十五边形 (shíwǔ biānxíng) — 15-sided polygon
  • Czech: patnáctiúhelník — 15-sided polygon
  • Dutch: vijftienhoek — 15-sided polygon
  • East Frisian Low German: fiiftainkâant — 15-sided polygon
  • Esperanto: dekkvinlatero — 15-sided polygon
  • Finnish: viisitoistakulmio — 15-sided polygon
  • French: pentadécagone — 15-sided polygon
  • French: pentédécagone — 15-sided polygon
  • North Frisian: Fiftainhuk — 15-sided polygon
  • Saterland Frisian: Füüftienkaant — 15-sided polygon
  • West-Frisian: fyftjinhoek — 15-sided polygon
  • West-Frisian: fyftsjinhoek — 15-sided polygon
  • Galician: pentadecágono — 15-sided polygon
  • Georgian: თხუთმეტკუთხედი (txutmeṭḳutxedi) — 15-sided polygon
  • German: Fünfzehneck — 15-sided polygon
  • Greek: δεκαπεντάγωνο (dekapentágono) — 15-sided polygon
  • Hungarian: tizenötszög — 15-sided polygon
  • Italian: pentadecagono — 15-sided polygon
  • Japanese: 十五角形 (jūgokakukei) — 15-sided polygon
  • Korean: 십오각형 (sibogakhyeong) — 15-sided polygon
  • Macedonian: петнаесетаголник (petnaesetagolnik) — 15-sided polygon
  • Polish: piętnastokąt — 15-sided polygon
  • Portuguese: pentadecágono — 15-sided polygon
  • Romanian: pentadecagon — 15-sided polygon
  • Russian: пятнадцатиугольник (pjatnadcatiugolʹnik) — 15-sided polygon
  • Serbo-Croatian: петнаестоугао — 15-sided polygon
  • Serbo-Croatian: petnaestougao — 15-sided polygon
  • Slovene: petnajstkotnik — 15-sided polygon
  • Spanish: pentadecágono — 15-sided polygon
  • Swedish: pentadekagon — 15-sided polygon
  • Thai: รูปสิบห้าเหลี่ยม — 15-sided polygon
  • Turkish: ondörtgen — 15-sided polygon
  • Ukrainian: п'ятнадцятикутник (pʺjatnadcjatykutnyk) — 15-sided polygon