| English noun: billion | 
| 1. | billion (quantity) 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 | 
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 | Synonyms | 1000000000000, one million million | 
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 | Broader (hypernym) | large integer | 
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 | Domain region | Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland | 
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| 2. | billion (quantity) a very large indefinite number (usually hyperbole) | 
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 | Samples | There were millions of flies. 
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 | Synonyms | gazillion, jillion, million, trillion, zillion | 
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 | Broader (hypernym) | large indefinite amount, large indefinite quantity | 
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| 3. | billion (quantity) the number that is represented as a one followed by 9 zeros | 
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 | Synonyms | 1000000000, one thousand million | 
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 | Broader (hypernym) | large integer | 
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 | Narrower (hyponym) | milliard | 
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 | Domain region | America, the States, U.S., U.S.A., United States, United States of America, US, USA | 
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