'Billion' may mean:
Numbers
Either of two numbers (see '
long and short scales' for more detail):
★
1,000,000,000 (one thousand million;
; SI prefix
giga) - increasingly common meaning in English-language usage
★
1,000,000,000,000 (one million million;
; SI prefix
tera) - increasingly rare meaning in English-language usage; standard meaning in many other languages
For comparison purposes, a Million seconds is 11.5 days; a Billion (one thousand million) seconds is just under 32 years.
Commerce
★
Billion (company), a modem manufacturer