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Definition of Ordinal number
1. Noun. The number designating place in an ordered sequence.
Exact synonyms: No., Ordinal
Generic synonyms: Number
Specialized synonyms: First, Number 1, Number One
Derivative terms: Ordinal
Generic synonyms: Number
Specialized synonyms: First, Number 1, Number One
Derivative terms: Ordinal
Definition of Ordinal number
1. Noun. (context: grammar) A word that expresses the relative position of an item in an ordered sequence. ¹
2. Noun. (arithmetic) A number used to denote position in a sequence. ¹
3. Noun. (mathematics) A generalized kind of number to denote the size of a well-ordered set. ¹
¹ Source: wiktionary.com