| Noun | 1. | one million million - the number that is represented as a one followed by 12 zeros; "in England they call a trillion a billion" Synonyms: 1000000000000, trillion |
| 2. | one million million - the number that is represented as a one followed by 12 zeros; in the United Kingdom the usage followed in the United States is frequently seen Synonyms: billion, 1000000000000 |
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