a cardinal number represented in the U.S. by 1 followed by 9 zeros, and in Great Britain by 1 followed by 12 zeros.
a very large number:
I’ve told you so billions of times.
equal in number to a billion.
Contemporary Examples

Bipartisanship! Republicans and Democrats Both Want to Keep Allen Stanford’s Money Aram Roston March 6, 2012
Latin America’s Secret Success Story Shannon K. O’Neil July 15, 2013
The World Is Getting Better, Argues New Book, ‘Abundance’ Sam Harris February 20, 2012
Amazon Stock May Be Up, but the Company Still Doesn’t Make Any Money Daniel Gross October 24, 2013
Our Swiftly Melting Deficit, Or How the U.S. is Killing It Daniel Gross May 8, 2013

Historical Examples

State of the Union Addresses of George W. Bush George W. Bush
Invasion William Fitzgerald Jenkins
The American Empire Scott Nearing
Hidden Water Dane Coolidge
Woman’s Club Work and Programs Caroline French Benton

noun (pl) -lions, -lion
one thousand million: it is written as 1 000 000 000 or 109
(formerly, in Britain) one million million: it is written as 1 000 000 000 000 or 1012
(often pl) any exceptionally large number
(preceded by a or a cardinal number)

amounting to a billion: it seems like a billion years ago
(as pronoun): we have a billion here



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