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billion

American  
[bil-yuhn] / ˈbɪl yən /

noun

plural

billions,

plural

billion
  1. a cardinal number represented in the U.S. by 1 followed by 9 zeros, and in Great Britain by 1 followed by 12 zeros.

  2. a very large number.

    I've told you so billions of times.


adjective

  1. equal in number to a billion.

billion British  
/ ˈbɪljən /

noun

  1. one thousand million: it is written as 1 000 000 000 or 10 9

  2. (formerly, in Britain) one million million: it is written as 1 000 000 000 000 or 10 12

  3. (often plural) any exceptionally large number

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

determiner

  1. (preceded by a or a cardinal number)

    1. amounting to a billion

      it seems like a billion years ago

    2. ( as pronoun )

      we have a billion here

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • billionth adjective

Etymology

Origin of billion

1680–90; < French, equivalent to b ( i )- bi- 1 + -illion, as in million

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

However, Target plans to spend around $5 billion this year, or around $1 billion more than last year, to improve its stores and invest in technology.

From MarketWatch

This means the Galilean moons may have inherited organic material from two sources: the wider solar nebula and local chemical activity within Jupiter's own disk billions of years ago.

From Science Daily

"Advertising is a legitimate business model, and the Internet runs on billions of dollars of advertising," Pahwa says.

From BBC

He says it's down to funding - to get a product from animal studies to human trials and to a fully licensed medicine takes years and billions of dollars.

From BBC

Venezuela was once a major crude supplier to the United States, and has the world's largest proven reserves with more than 303 billion barrels, according to global oil cartel OPEC.

From Barron's