We found 25 dictionaries that define the word hexahedron:

General (20 matching dictionaries)

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

Art (1 matching dictionary)

21. hexahedron: ArtLex Lexicon of Visual Art Terminology

Computing (1 matching dictionary)

22. hexahedron: Encyclopedia

Medicine (1 matching dictionary)

23. online medical dictionary (No longer online)

Science (2 matching dictionaries)

24. Hexahedron: Eric Weisstein's World of Mathematics
25. hexahedron: PlanetMath Encyclopedia

(Note: See hexahedra as well.)

Definitions from Wiktionary (hexahedron) ▸ noun:  (geometry) A polyhedron with six faces. Similar: hexaedron, hectohedron, hectagon, hexagony, hexon, holohedron, hexangle, megahex, hexagramme, hexapod, more... Types: cube, octahedron, tetrahedron, dodecahedron, icosahedron, more... Phrases: regular hexahedron, tetrakis hexahedron, more... Adjectives: regular, irregular, node, exact, corresponding, rectangular, general, rustic ▸ Words similar to hexahedron ▸ Usage examples for hexahedron ▸ Idioms related to hexahedron ▸ Wikipedia articles (New!) ▸ Popular adjectives describing hexahedron ▸ Words that often appear near hexahedron ▸ Rhymes of hexahedron ▸ Invented words related to hexahedron