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Word: billion (lookup usage) (lookup stats)


Meaning:

Cardinal number:

  • colloquial|plural A very large number.
  • obsolete British & Australian|long scale A million million: a 1 followed by twelve zeros, 1012.
  • US|modern British & Australian|short scale A milliard, a thousand million: 1 followed by nine zeros, 109.

Source: Wiktionary | Src Info »