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billion

 - 2 dictionary results

bil⋅lion

  [bil-yuhn] noun, plural -lions, (as after a numeral) -lion, adjective
Use billion in a Sentence
–noun
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
3. equal in number to a billion.
Origin:
1680–90; < F, equiv. to b(i)- bi- 1 + -illion, as in million

Related forms:
billionth, adjective, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To billion
bil·lion   (bĭl'yən)   
n.  

  1. The cardinal number equal to 109.

  2. Chiefly British The cardinal number equal to 1012.

  3. An indefinitely large number.


[French, a million million : blend of bi-, second power; see bi-1 and million.]
bil'lion adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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