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

Definitions from WordNet (one-billionth) ▸ noun:  one part in a billion Opposite: trillionth, quadrillionth, quintillionth ▸ Words similar to one-billionth ▸ Usage examples for one-billionth ▸ Idioms related to one-billionth ▸ Wikipedia articles (New!) ▸ Popular adjectives describing one-billionth ▸ Words that often appear near one-billionth ▸ Rhymes of one-billionth ▸ Invented words related to one-billionth