Word.ws English Dictionary

pentadecahedron

pentadecahedron noun: a polyhedron with fifteen faces.

pentadecahedron: a polyhedron with fifteen faces
Image: Source: en.wikipedia (del) (cur) 03:02, 22 November 2004, CC BY-SA 3.0, via Wikimedia Commons

Noun

pentadecahedron (plural pentadecahedra or pentadecahedrons)

  1. A polyhedron with fifteen faces.

Synonyms of pentadecahedron

Forms of pentadecahedron

pluralpentadecahedra
pluralpentadecahedrons

Origin of pentadecahedron

From pentadeca- + -hedron.

Questions about pentadecahedron

What does pentadecahedron mean?
Pentadecahedron means a polyhedron with fifteen faces.
What part of speech is pentadecahedron?
Pentadecahedron is a noun.
What is the plural of pentadecahedron?
The plural of pentadecahedron is pentadecahedra.

Words near pentadecahedron in the dictionary

  1. pentadecagon
  2. pentadecagonal
  3. pentadecagons
  4. pentadecahedra
  5. pentadecahedral
  6. pentadecahedron
  7. pentadecahedrons
  8. pentadecahydrate
  9. pentadecahydrates
  10. pentadecamer
  11. pentadecameric

Source and license

Adapted from Wiktionary: pentadecahedron (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-pentadecahedron.wav.

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