# ordinal number

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Related to Ordinal numerals: Roman numerals

## ordinal number

n.
A number indicating position in a series or order. The ordinal numbers are first (1st), second (2nd), third (3rd), and so on.

## ordinal number

n
1. (Mathematics) a number denoting relative position in a sequence, such as first, second, third. Sometimes shortened to: ordinal
2. (Logic) logic maths a measure of not only the size of a set but also the order of its elements

## or′dinal num′ber

n.
any of the numbers that express degree, quality, or position in a series, as first, second, and third.
[1600–10]

## or·di·nal number

(ôr′dn-əl)
A number, such as 3rd, 11th, or 412th, used in counting to indicate position in a series but not quantity. Compare cardinal number.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 ordinal number - the number designating place in an ordered sequencenumber - a concept of quantity involving zero and units; "every number has a unique position in the sequence"number 1, first, number one - the first element in a countable series; "the first of the month"
Translations
ordinální číslo
järjestyslukuordinaaliordinaaliluku
rendszámsorszámnév
numeral ordinal

## ordinal number

n (Math) → Ordnungszahl f, → Ordinalzahl f
References in periodicals archive ?
In Isthmus Zapotec, definite numerals are expressed by a derived form similar to that of ordinal numerals (which are expressed by a modification in the final vowel of the numeral stem).
In the Septuagint, the rabbis followed the Hebrew text and did not use the definite article with the ordinal numerals and days of creation.
The shortening of ordinal numerals can be accounted for by quite many dates in the text, which are typically expressed by ordinal numerals.

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