We found 35 dictionaries that define the word polyhedron:

General (25 matching dictionaries)

1. polyhedron: Longman Dictionary of Contemporary English
2. polyhedron: Merriam-Webster
3. polyhedron: Oxford Learner's Dictionaries
4. polyhedron: American Heritage Dictionary of the English Language
5. polyhedron: Collins English Dictionary
6. polyhedron: Vocabulary.com
7. polyhedron: Wordnik
8. polyhedron: Cambridge Advanced Learner's Dictionary
9. polyhedron: Wiktionary
10. polyhedron: Webster's New World College Dictionary, 4th Ed.
11. polyhedron: The Wordsmyth English Dictionary-Thesaurus
12. polyhedron: Infoplease Dictionary
13. polyhedron: Dictionary.com
14. polyhedron: Online Etymology Dictionary
15. Polyhedron (disambiguation), Polyhedron (journal), Polyhedron (magazine), Polyhedron: Wikipedia, the Free Encyclopedia
16. Polyhedron: Online Plain Text English Dictionary
17. polyhedron: Webster's Revised Unabridged, 1913 Edition
18. polyhedron: Rhymezone
19. Polyhedron: AllWords.com Multi-Lingual Dictionary
20. polyhedron: Webster's 1828 Dictionary
21. polyhedron: FreeDictionary.org
22. polyhedron: Mnemonic Dictionary
23. polyhedron: TheFreeDictionary.com

Art (1 matching dictionary)

24. polyhedron: ArtLex Lexicon of Visual Art Terminology

Computing (2 matching dictionaries)

25. polyhedron: Dictionary of Algorithms and Data Structures
26. polyhedron: Encyclopedia

Medicine (2 matching dictionaries)

27. online medical dictionary (No longer online)
28. polyhedron: Medical dictionary

Science (4 matching dictionaries)

29. Archaeology Wordsmith (No longer online)
30. Polyhedron: Eric Weisstein's World of Mathematics
31. Mathematical Programming (No longer online)
32. polyhedron: PlanetMath Encyclopedia

Slang (1 matching dictionary)

33. polyhedron: Urban Dictionary

(Note: See polyhedra as well.)

Definitions from Wiktionary ( ) ▸ noun:  (geometry) A solid figure with many flat faces and straight edges. ▸ noun:  (optics) A polyscope, or multiplying glass. Similar: polyedron, pentahedron, holyhedron, deltahedron, pentagonohedron, dihedron, pyramid, cube, pyramidoid, parallelepiped, more... Types: cube, tetrahedron, octahedron, dodecahedron, icosahedron, prism, pyramid, more... Phrases: convex polyhedron, Regular polyhedron, simple polyhedron, dual polyhedron, concave polyhedron, more... Adjectives: regular, dimensional, simple, closed, original, sided, atomic, convex, single, bounded, irregular ▸ Word origin ▸ Words similar to polyhedron ▸ Usage examples for polyhedron ▸ Idioms related to polyhedron ▸ Wikipedia articles (New!) ▸ Popular adjectives describing polyhedron ▸ Words that often appear near polyhedron ▸ Rhymes of polyhedron ▸ Invented words related to polyhedron