We found 20 dictionaries that define the word octillion:

General (17 matching dictionaries)

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

Computing (2 matching dictionaries)

18. octillion: CCI Computer
19. octillion: Encyclopedia

Science (1 matching dictionary)

20. Octillion: Eric Weisstein's World of Mathematics

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