Sagan

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Alternative forms[edit]

Etymology[edit]

The unit is derived from the phrase billions and billions (of stars), frequently attributed to the American astronomer Carl Sagan. The lower bound of a number must be two billion plus two billion, or four billion. Johnny Carson popularized the phrase through his occasional impersonation of Sagan throughout his career.

Noun[edit]

Sagan (plural Sagans)

  1. (slang, humorous) A unit of measurement equal to at least four billion.

References[edit]

  • 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

Anagrams[edit]