noun
The definition of a billion is a thousand millions.
An example of a billion is $1,000,000,000.
billion
- a thousand millions (1,000,000,000)
- Brit. trillion (a million millions)
Origin of billion
French from bi-, bi- + (mi)llion amounting to one billion in number
billion
noun
- The cardinal number equal to 10^{9}.
- Chiefly British The cardinal number equal to 10^{12}.
- An indefinitely large number.
Origin of billion
French a million million blend of bi- second power ; see bi- ^{1}. millionRelated Forms:
- bil′lion
adjective
billion
billion - Computer Definition
One thousand millions, or 1 followed by nine zeros (10 to the 9th power). In long scale usage, billion refers to a million millions, or 1 followed by 12 zeros (10 to the 12th power). See space/time and long scale.