Ordinal Number Definition
ôrdn-əl
noun
Any number used to indicate order (e.g., second, ninth, 25th) in a particular series.
Webster's New World
(mathematics) A generalized kind of number to denote the length of a well-order on a set.
Wiktionary
adjective
Attributive form of ordinal number, noun.
Wiktionary
Other Word Forms of Ordinal Number
Noun
Singular:
ordinal number
Plural:
ordinal-numbersOrdinal Number Is Also Mentioned In
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