Look up ordinal in Wiktionary, the free dictionary.

Ordinal may refer to:

• Ordinal data, a statistical data type consisting of numerical scores that exist on an arbitrary numerical scale
• Ordinal date, a simple form of expressing a date using only the year and the day number within that year
• Ordinal Priority Approach, a multiple-criteria decision analysis method that aids in solving the group decision-making problems
• Ordinal indicator, the sign adjacent to a numeral denoting that it is an ordinal number
• Ordinal number in set theory, a number type with order structures
• Ordinal number (linguistics), a word representing the rank of a number
• Ordinal scale, ranking things that are not necessarily numbers
• Ordinal utility (economics): a utility function which is used only to describe the preference ordering between different outcomes.

Government

• Regnal ordinal, used to distinguish monarchs and popes with the same regnal name

Religion

• Edwardine Ordinals, two early liturgical books of the Church of England
• Ordinal (liturgy), 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