We found 10 dictionaries that define the word undecillion:

General (8 matching dictionaries)

1. undecillion: Merriam-Webster
2. undecillion: American Heritage Dictionary of the English Language
3. undecillion: Collins English Dictionary
4. undecillion: Wiktionary
5. undecillion: Infoplease Dictionary
6. undecillion: Dictionary.com
7. Undecillion: Wikipedia, the Free Encyclopedia
8. undecillion: TheFreeDictionary.com

Computing (1 matching dictionary)

9. undecillion: CCI Computer

Science (1 matching dictionary)

10. Undecillion: Eric Weisstein's World of Mathematics

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