# ordinal number

ordinal number
1. Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
2. Math. a 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]

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Universalium. 2010.

### Look at other dictionaries:

• ordinal number — noun count a number such as first or second that shows what position something has in a series ─ compare CARDINAL NUMBER …   Usage of the words and phrases in modern English

• ordinal number — n. any number used to indicate order (e.g., second, ninth, 25th) in a particular series: distinguished from CARDINAL NUMBER …   English World dictionary

• ordinal number — ► NOUN ▪ a number defining a thing s position in a series, such as ‘first’ or ‘second’ …   English terms dictionary

• Ordinal number — This article is about the mathematical concept. For number words denoting a position in a sequence ( first , second , third , etc.), see Ordinal number (linguistics). Representation of the ordinal numbers up to ωω. Each turn of the spiral… …   Wikipedia

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• ordinal number — UK [ˈɔː(r)dɪn(ə)l ˌnʌmbə(r)] / US [ˈɔrd(ə)nəl ˌnʌmbər] noun [countable] Word forms ordinal number : singular ordinal number plural ordinal numbers maths a number such as first or second that shows what position something has in a series See:… …   English dictionary

• ordinal number — [[t]ɔ͟ː(r)dɪn(ə)l nʌ̱mbə(r)[/t]] ordinal numbers N COUNT 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 …   English dictionary

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