Look up ordinal in Wiktionary, the free dictionary.

Ordinal may refer to:

• Ordinal number (linguistics), a word representing the rank of a number
• 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 date, a simple form of expressing a date using only the year and the day number within that year
• In liturgy, an ordinal is a book that gives the ordo (ritual and rubrics) for celebrations.
• In statistics, ordinal data is one level of measurement.

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