Word.ws English Dictionary

pentadecagon

/ˌpɛntəˈdɛkəɡən/

pentadecagon noun: a polygon with fifteen sides.

Noun

pentadecagon (plural pentadecagons)

  1. A polygon with fifteen sides.
    • In ⊙ O, draw chord AB equal to r. Draw chord AC equal to Vt (which is the side of a regular decagon). CB is now one side of the regular pentadecagon.2003, Steven Atiyah, Essentials of Geometry, Trafford, published 2003, page 357
    Synonyms:
    15-gon, quindecagon

pentadecagon meaning in Thai

pentadecagon in Thai

15-sided polygon
รูปสิบห้าเหลี่ยม

Synonyms of pentadecagon

Forms of pentadecagon

pluralpentadecagons

Origin of pentadecagon

From pentadeca- + -gon.

Questions about pentadecagon

What does pentadecagon mean?
Pentadecagon means a polygon with fifteen sides.
What is pentadecagon in Thai?
Pentadecagon in Thai is รูปสิบห้าเหลี่ยม. See Pentadecagon meaning in Thai.
What part of speech is pentadecagon?
Pentadecagon is a noun.
How do you pronounce pentadecagon?
Pentadecagon is pronounced /ˌpɛntəˈdɛkəɡən/.
What is the plural of pentadecagon?
The plural of pentadecagon is pentadecagons.

Words near pentadecagon in the dictionary

  1. pentadactyly
  2. pentadal
  3. pentadec-
  4. pentadeca-
  5. pentadecacopper
  6. pentadecagon
  7. pentadecagonal
  8. pentadecagons
  9. pentadecahedra
  10. pentadecahedral
  11. pentadecahedron

Source and license

Adapted from Wiktionary: pentadecagon (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Rho9998-pentadecagon.wav.

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