

There are a billion stars in the sky.
A number equal to one thousand million (1,000,000,000).
The company made a billion dollars last year.
She won a billion dollars in the lottery.
There are a billion reasons to be happy.
billion dollars
billion people
billion stars
thousand million
giga
10^9
The company made a billion dollars last year.
Relating to a billion or consisting of a billion.
The city plans to invest a billion dollars in new infrastructure.
She won a billion-dollar lottery prize last week.
The project is expected to cost a billion dollars.
billion dollars
billion people
billion years
one thousand million
giga
billionfold