billion

noun

1.
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
1000000000000 one million million
Derived from:
billion
2.
a very large indefinite number (usually hyperbole)
bazillion gazillion jillion million trillion zillion
3.
the number that is represented as a one followed by 9 zeros
thursand 1000000000 one thousand million
Derived from:
billion