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单词 ordinal number
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈor•di•nal ˈnum•ber, n. [countable]
  1. Mathematicsa number that expresses position in a series, as first, second, or third.

WordReference Random House Unabridged Dictionary of American English © 2024
or′dinal num′ber, 
    1. MathematicsAlso called or′dinal nu′meral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
    2. Mathematicsa symbol denoting both the cardinal number and the ordering of a given set, being identical for two ordered sets having elements that can be placed into one-to-one correspondence, the correspondence preserving the order of the elements.
    • 1600–10

Collins Concise English Dictionary © HarperCollins Publishers::
ordinal number n
  1. a number denoting relative position in a sequence, such as first, second, third
    Sometimes shortened to: ordinal
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更新时间：2025/7/3 13:00:35