We found 34 dictionaries that define the word polyhedron:

General (24 matching dictionaries)

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

Art (1 matching dictionary)

23. polyhedron: ArtLex Lexicon of Visual Art Terminology

Computing (2 matching dictionaries)

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

Medicine (2 matching dictionaries)

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

Science (4 matching dictionaries)

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

Slang (1 matching dictionary)

32. 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