单词 | ordinal number |
释义 | ordinal number (ɔːʳdɪnəl nʌmbəʳ) Word forms: plural ordinal numbers countable noun An ordinal number or an ordinal is a word such as 'first', 'third', and 'tenth' that tells you where a particular thing occurs in a sequence of things. Compare cardinal number. ordinal number in British Englishnoun Compare cardinal number1. a number denoting relative position in a sequence, such as first, second, third Sometimes shortened to: ordinal2. logic, mathematics a measure of not only the size of a set but also the order of its elements ordinal number in American English any number used to indicate order (e.g., second, ninth, 25th) in a particular series see also cardinal number |
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