polyhedron
/ˌpɒlɪˈhiːdɹən//ˌpɑliˈhidɹən/
polyhedron noun: a solid figure with many flat faces and straight edges.

Noun
polyhedron (plural polyhedra or polyhedrons)
- A solid figure with many flat faces and straight edges.
- Of the convex polyhedra with regular faces, the only ones that have tetrahedral, octahedral, or icosahedral symmetry are the Platonic and Archimedean solids.1966, Norman W. Johnson, “Convex Polyhedra with Regular Faces”, in Canadian Journal of Mathematics, volume XVIII, number I, Toronto: University of Toronto Press, page 181
- A polyscope, or multiplying glass.
- A stage in the growth of Hydrodictyon, when the resting spore breaks up into several megazoospores that put out horn-like appendages; these polyhedra break up into zoospores.
polyhedron meaning in Hindi, Tamil, Malayalam and Tagalog
polyhedron in Hindi
- geometry: solid figure
- बहुफलक bahuphalak
polyhedron in Tamil
- பன்முகத்திண்மம், பன்முகம், பன்முகி
polyhedron in Malayalam
- ബഹുഫലകം
polyhedron in Tagalog
- geometry: solid figure
- damdayag
More languagesFewer languages
- polyhedron in Vietnamese
- đa diện
Examples of polyhedron in a sentence
- There are elegant theorems and deep connections with polytopes, polyhedra, combinatorics, commutative algebra, symplectic geometry, and topology.
- The regular polyhedra include the five Platonic solids and the four Kepler-Poinsot solids.
- This polyhedron has I symmetry and can therefore be constructed in left- and right-handed forms.
Forms of polyhedron
| plural | polyhedra |
|---|---|
| plural | polyhedrons |
| alternative form | polyedron |
Origin of polyhedron
From New Latin polyedron, from Ancient Greek πολύεδρος (polúedros, “having many seats”), from πολυ- (polu-, “many”) + ἕδρα (hédra, “seat”); compare French polyèdre. By surface analysis, poly- + -hedron.
Words formed from polyhedron
Phrases with polyhedron
Words that rhyme with polyhedron
Questions about polyhedron
- What does polyhedron mean?
- Polyhedron means a solid figure with many flat faces and straight edges.
- What is polyhedron in Hindi?
- Polyhedron in Hindi is बहुफलक (bahuphalak). See Polyhedron meaning in Hindi.
- What part of speech is polyhedron?
- Polyhedron is a noun.
- How do you pronounce polyhedron?
- Polyhedron is pronounced /ˌpɒlɪˈhiːdɹən/ (UK).
- What is the plural of polyhedron?
- The plural of polyhedron is polyhedra.
Words near polyhedron in the dictionary
Source and license
Adapted from Wiktionary: polyhedron (page history and authors); polyhedron (Tamil Wiktionary) (page history and authors); polyhedron (Malayalam Wiktionary) (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)-Rho9998-polyhedron.wav, LL-Q1860 (eng)-Vininn126-polyhedron.wav.
Cite this entry: “polyhedron.” Word.ws, https://word.ws/polyhedron. Based on Wiktionary, CC BY-SA 4.0.
