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单词 quintillionth
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 til′yən),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•til′lionth, n., adj. 
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更新时间：2025/8/1 5:46:37