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English definition of “ordinal number”

ordinal number

noun [C]
 
 
/ˌɔːdɪnəlˈnʌmbər/ (also ordinal)
a number such as 1st, 2nd, 3rd, etc that shows the order of things in a listNumbers generally
(Definition of ordinal number from the Cambridge Learners Dictionary © Cambridge University Press)
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