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单词 mantissa
释义

WordReference Random House Unabridged Dictionary of American English © 2024
man•tis•sa  (man tis′ə),USA pronunciation n. 
  1. Mathematicsthe decimal part of a common logarithm. Cf. characteristic (def. 3a).
  2. [Obs.]an addition of little or no importance, as to a literary work.
  • Latin, variant of mantisa addition, makeweight, said to be from Etruscan; logarithmic mantissa so called because it is additional to the characteristic or integral part (term introduced by H. Briggs)
  • 1860–65

Collins Concise English Dictionary © HarperCollins Publishers::
mantissa /mænˈtɪsə/ n
  1. the fractional part of a common logarithm representing the digits of the associated number but not its magnitude: the mantissa of 2.4771 is .4771
Etymology: 17th Century: from Latin: something added, of Etruscan origin
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更新时间：2025/7/31 8:20:52