tridecahedron
tridecahedron noun: a polyhedron with thirteen faces.

Noun
tridecahedron (plural tridecahedra or tridecahedrons)
- A polyhedron with thirteen faces.
- Synonyms:
- triskaidecahedron
Synonyms of tridecahedron
Forms of tridecahedron
| plural | tridecahedra |
|---|---|
| plural | tridecahedrons |
Origin of tridecahedron
From trideca- + -hedron.
Questions about tridecahedron
- What does tridecahedron mean?
- Tridecahedron means a polyhedron with thirteen faces.
- What part of speech is tridecahedron?
- Tridecahedron is a noun.
- What is the plural of tridecahedron?
- The plural of tridecahedron is tridecahedra.
Words near tridecahedron in the dictionary
Source and license
Adapted from Wiktionary: tridecahedron (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-tridecahedron.wav.
Cite this entry: “tridecahedron.” Word.ws, https://word.ws/tridecahedron. Based on Wiktionary, CC BY-SA 4.0.
