Ordinal may refer to:
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Ordinal data, a statistical data type consisting of numerical scores that exist on an arbitrary numerical scale
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Ordinal date
An ordinal date is a calendar date typically consisting of a ''year'' and a day of the year or ordinal day number (or simply ordinal day or day number), an ordinal number ranging between 1 and 366 (starting on January 1), though year may sometime ...
, 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 least n ...
in set theory, a number type with order structures
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Ordinal number (linguistics), 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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Edwardine Ordinals
The Edwardine Ordinals are two ordinals primarily written by Thomas Cranmer as influenced by Martin Bucer and first published under Edward VI, the first in 1550 and the second in 1552, for the Church of England. Both liturgical books were intend ...
, two early liturgical books of the Church of England
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Ordinal (liturgy)
An ordinal ( la, ordinale), in a modern context, is a liturgical book that contains the rites and prayers for the ordination and consecration to the Holy Orders of deacons, priests, and bishops in multiple Christian denominations, especially t ...
, particularly in Anglicanism and Catholicism, is the book containing the rites for the ordination of deacons and priests, and the consecration of bishops
* ''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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