Sagan

名词 n. 专有名词
中文释义

英文释义

名词 n.
  1. A unit of measurement equal to at least four billion. humorous,slang
    — Today, there is a well-known joke unit of measurement called a Sagan. a Sagan is four billion—the smallest number that could fit the description "billions and billions."
专有名词
  1. A surname.
  2. A village in Sardasht Rural District, in the Central District of Bashagard County, Hormozgan Province, Iran.
  3. Alternative form of Sakan (village in West Azerbaijan, Iran). alt-of,alternative
  4. A river in southern Ethiopia.
    — I had resolved to pass along the eastern shore of Lake Ganjule, in order to solve the problem of the sources of the river Sagan, the largest affluent of Lake Stefanie, which was supposed to flow out of Lake Ganjule. This I found to be not the case. The sources of the Sagan lie east of the south end of Lake Abaya. But there is a broad channel connecting Lake Ganjule with the Sagan.
  5. A town in southern Ethiopia, named for the river.

词形变化

Sagans plural Sagans plural sagan alternative

词源

The unit is derived from the phrase "billions and billions (of stars)", erroneously attributed to the American astronomer Carl Sagan. The lower bound of such 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.
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