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单词 septillion
释义

WordReference Random House Unabridged Dictionary of American English © 2024
sep•til•lion  (sep tilyən),USA pronunciation n., pl. -lions, (as after a numeral) -lion, adj. 
n. 
  1. a cardinal number represented in the U.S. by 1 followed by 24 zeros, and in Great Britain by 1 followed by 42 zeros.

adj. 
  1. amounting to one septillion in number.
  • French, equivalent. to sept seven + -illion, as in million
  • 1680–90
sep•tillionth, n., adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
septillion /sɛpˈtɪljən/ n ( pl -lions, -lion)
  1. (in Britain, France, and Germany) the number represented as one followed by 42 zeros (1042)
  2. (in the US and Canada) the number represented as one followed by 24 zeros (1024)
    Brit word: quadrillion
Etymology: 17th Century: from French, from sept seven + -illion, on the model of million

sepˈtillionth adj , n
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