- billion, one million million, 1000000000000 - 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
--1 is a kind of large indefinite quantity, large indefinite amount; large integer; large indefinite quantity, large indefinite amount; large integer
- billion, one thousand million, 1000000000 - the number that is represented as a one followed by 9 zeros
--2 is a kind of large integer; large integer
--2 has particulars: milliard