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We found 33 dictionaries with English definitions that include the word octahedron:
Click on the first link on a line below to go directly to a page where "octahedron" is defined.

General (27 matching dictionaries)

1. octahedron: Merriam-Webster.com [home, info]
2. octahedron: Oxford Learner's Dictionaries [home, info]
3. octahedron: American Heritage Dictionary of the English Language [home, info]
4. octahedron: Collins English Dictionary [home, info]
5. octahedron: Vocabulary.com [home, info]
6. Octahedron, octahedron: Wordnik [home, info]
7. octahedron: Cambridge Advanced Learner's Dictionary [home, info]
8. octahedron: Wiktionary [home, info]
9. octahedron: Webster's New World College Dictionary, 4th Ed. [home, info]
10. octahedron: The Wordsmyth English Dictionary-Thesaurus [home, info]
11. octahedron: Infoplease Dictionary [home, info]
12. octahedron: Dictionary.com [home, info]
13. octahedron: UltraLingua English Dictionary [home, info]
14. Octahedron (album), Octahedron: Wikipedia, the Free Encyclopedia [home, info]
15. Octahedron: Online Plain Text English Dictionary [home, info]
16. octahedron: Webster's Revised Unabridged, 1913 Edition [home, info]
17. octahedron: Rhymezone [home, info]
18. Octahedron: AllWords.com Multi-Lingual Dictionary [home, info]
19. octahedron: Webster's 1828 Dictionary [home, info]
20. octahedron: Hutchinson's Dictionary of Difficult Words [home, info]
21. Octahedron: 1911 edition of the Encyclopedia Britannica [home, info]
22. octahedron: Free Dictionary [home, info]
23. octahedron: Hutchinson Dictionaries [home, info]
24. octahedron: Mnemonic Dictionary [home, info]
25. octahedron: WordNet 1.7 Vocabulary Helper [home, info]
26. octahedron: LookWAYup Translating Dictionary/Thesaurus [home, info]
27. octahedron: Dictionary/thesaurus [home, info]

Art (1 matching dictionary)

28. octahedron: ArtLex Lexicon of Visual Art Terminology [home, info]

Computing (1 matching dictionary)

29. octahedron: Encyclopedia [home, info]

Medicine (1 matching dictionary)

30. octahedron: online medical dictionary [home, info]

Science (2 matching dictionaries)

31. Octahedron: Eric Weisstein's World of Mathematics [home, info]
32. octahedron, octahedron: PlanetMath Encyclopedia [home, info]

Slang (1 matching dictionary)

33. Octahedron: Urban Dictionary [home, info]

(Note: See octahedrons for more definitions.)

Quick definitions from WordNet (octahedron) ▸ noun:  any polyhedron having eight plane faces ▸ Also see octahedrons ▸ Words similar to octahedron ▸ Usage examples for octahedron ▸ Idioms related to octahedron (New!) ▸ Popular adjectives describing octahedron ▸ Words that often appear near octahedron ▸ Rhymes of octahedron ▸ Invented words related to octahedron