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单词 quintillion
释义

WordReference Random House Learner's Dictionary of American English © 2024
quin•til•lion /kwɪnˈtɪlyən/USA pronunciation   n., pl. -lions, (as after a numeral) -lion, adj. 
n. [countable]
  1. Mathematicsa number written in the U.S. by 1 followed by 18 zeros, and in Great Britain by 1 followed by 30 zeros.

adj. [after a number and before a noun]
  1. Mathematicsamounting to one quintillion in number.

WordReference Random House Unabridged Dictionary of American English © 2024
quin•til•lion  (kwin 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 18 zeros, and in Great Britain by 1 followed by 30 zeros.

adj. 
  1. amounting to one quintillion in number.
  • Latin quīnt(us) fifth + -illion (as in million)
  • 1665–75
quin•tillionth, n., adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
quintillion /kwɪnˈtɪljən/ n ( pl -lions, -lion)
  1. (in Britain, France, and Germany) the number represented as one followed by 30 zeros (1030)
    US and Canadian word: nonillion
  2. (in the US and Canada) the number represented as one followed by 18 zeros (1018)
    Former Brit word: trillion
Etymology: 17th Century: from Latin quintus fifth + -illion, as in million

quinˈtillionth adj
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更新时间:2025/7/23 19:00:52