We found 7 dictionaries that define the word one billionth:

General (7 matching dictionaries)

1. one-billionth: Vocabulary.com
2. one-billionth: Wordnik
3. one-billionth: Dictionary.com
4. one-billionth: Rhymezone
5. one-billionth: FreeDictionary.org
6. one-billionth: Mnemonic Dictionary
7. one-billionth: TheFreeDictionary.com

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