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Billion vs Sagan - What's the difference?

billion | sagan |

As a noun sagan is

(sagan).

billion

English

Numeral

(head)
  • A milliard, a thousand million: 1 followed by nine zeros, 109.
  • * {{quote-magazine, title=No hiding place
  • , date=2013-05-25, volume=407, issue=8837, page=74, magazine=(The Economist) citation , passage=In America alone, people spent $170 billion on “direct marketing”—junk mail of both the physical and electronic varieties—last year. Yet of those who received unsolicited adverts through the post, only 3% bought anything as a result.}}
  • A million million: a 1 followed by twelve zeros, 1012.
  • (colloquial, in the plural, hyperbole) A very large number.
  • See also

    * (short scale) Previous': million. ' Next trillion: * (long scale) Previous': milliard. ' Next billiard: * ISO prefix: giga-

    Derived terms

    * billionaire

    sagan

    English

    Alternative forms

    *sagan

    Noun

    (en noun)
  • (slang, humorous) A unit of measurement equal to at least four billion.
  • References

    * Sagan'' at dictionary.reference.com (''Jargon File ) * William Safire, ON LANGUAGE; Footprints on the Infobahn, New York Times , April 17, 1994 * Carl Sagan, Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium , Random House, 1997