ETYM French billion, arbitrarily formed from Latin bis twice, in imitation of million a million. Related to Million.
A thousand millions. The cardinal number represented by a 1 followed by nine zeros (1,000,000,000 or 109), equivalent to a thousand million.
1. (In Britain) The number that is represented as a one followed by 12 zeros; SYN. one million million, 1000000000000.
2. (In the United States) The number that is represented as a one followed by 9 zeros; SYN. one thousand million, 1000000000. + prikaži više

ETYM French, from mille, mil, thousand, Latin mille.
(British) A billion.
One thousand millions.