billion
1. [ adjective ] (U.S.) denoting a quantity consisting of one thousand million items or units; (Britain) denoting a quantity consisting of one million million items or units
Synonyms: a_billion
Related terms: US cardinal
2. [ noun ] (mathematics) 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: 1000000000000 one_million_million
Related terms: large_integer UK
3. [ adjective ] denoting a quantity consisting of one million million items or units in Great Britain
Synonyms: a_billion
Related terms: UK cardinal
4. [ noun ] (in the United States) the number that is represented as a one followed by 9 zeros
Synonyms: 1000000000 one_thousand_million
Related terms: large_integer milliard US
Similar spelling:   bullion
  Bouillion