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Definition of "billion" []

  • The cardinal number equal to 109. (noun)
  • Chiefly British The cardinal number equal to 1012. (noun)
  • An indefinitely large number. (noun)
  • One thousand million: it is written as 1 000 000 000 or 109 (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • (formerly, in Britain) one million million: it is written as 1 000 000 000 000 or 1012 (noun)
  • Any exceptionally large number (noun)
  • Amounting to a billion (determiner)
  • (as pronoun) (determiner)
  • One thousand million: it is written as 1 000 000 000 or 109 (noun)
  • (formerly, in Britain) one million million: it is written as 1 000 000 000 000 or 1012 (noun)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "billion" in a sentence
  • "Mega projects involve billion$ and as we learned in the Mulroney-Schreiber exposé, billion dollar projects involve big commissions and not all of those commissions are above board."
  • "Right you are, but in the meantime we are giving Fisker half a $billion, Tesla about that much, and GM about $8 billion to play this con game."
  • "Canrane: Cutting the court challenges program (at a grand total of 300 million, or something like that) because we need to tighten our purse strings...yet we somehow have money for 20+ billion (*billion*) for military spending."