Ordinal may refer to:
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Ordinal data
Ordinal data is a categorical, statistical data type where the variables have natural, ordered categories and the distances between the categories are not known. These data exist on an ordinal scale, one of four Level of measurement, levels of m ...
, a statistical data type consisting of numerical scores that exist on an arbitrary numerical scale
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Ordinal date, a simple form of expressing a date using only the year and the day number within that year
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Ordinal Priority Approach, a multiple-criteria decision analysis method that aids in solving the group decision-making problems
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Ordinal indicator, the sign adjacent to a numeral denoting that it is an ordinal number
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Ordinal number
In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals (first, second, th, etc.) aimed to extend enumeration to infinite sets.
A finite set can be enumerated by successively labeling each element with the leas ...
in set theory, a number type with order structures
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Ordinal number (linguistics)
In linguistics, ordinal numerals or ordinal number words are words representing position or rank in a sequential order; the order may be of size, importance, chronology, and so on (e.g., "third", "tertiary"). They differ from cardinal numerals, ...
, a word representing the rank of a number
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Ordinal scale, ranking things that are not necessarily numbers
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Ordinal utility (economics): a utility function which is used only to describe the preference ordering between different outcomes.
Government
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Regnal ordinal, used to distinguish monarchs and popes with the same regnal name
Religion
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Ordinal (liturgy), particularly in Anglicanism, Lutheranism and Catholicism, is the book containing the rites for the ordination of deacons and priests, and the consecration of bishops
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Edwardine Ordinals, two early liturgical books of the Church of England
* ''Ordinal'' can be a book that gives the ''ordo'' (ritual and rubrics) for celebrations, see
Order of Mass
Order of Mass is an outline of a Mass celebration, describing how and in what order liturgical texts and rituals are employed to constitute a Mass.
The expression Order of Mass is particularly tied to the Roman Rite where the sections under that ...
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