Billion Definition
bĭlyən
billions
noun
billions
The cardinal number equal to 109 .
American Heritage
A thousand millions (1,000,000,000)
Webster's New World
The cardinal number equal to 1012 .
American Heritage
Trillion (a million millions)
Webster's New World
An indefinitely large number.
American Heritage
Synonyms:
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adjective
Amounting to one billion in number.
Webster's New World
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