# Ordinal

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### Definitions from Wordnet 2.0

• the number designating place in an ordered sequence
• being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh"
• of or relating to a taxonomic order; "family and ordinal names of animals and plants"

### Definitions from Wiktionary

• the number designating place in an ordered sequence

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### Wikipedia Meaning and Definition on 'Ordinal'

• Ordinal: Ordinal may refer to: Ordinal data, a statistical data type consisting of numerical scores that exist on an arbitrary numerical scale Ordinal date, a
• Ordinal number: ("first", "second", "third", etc.), see Ordinal number (linguistics). In set theory, an ordinal number, or ordinal, is one generalization of the concept
• Large countable ordinal: Main article: Ordinal number In the mathematical discipline of set theory, there are many ways of describing specific countable ordinals. The smallest
• Ordinal indicator: written languages, an ordinal indicator is a character, or group of characters, following a numeral denoting that it is an ordinal number, rather than a
• Ordinal arithmetic: In the mathematical field of set theory, ordinal arithmetic describes the three usual operations on ordinal numbers: addition, multiplication, and exponentiation
• Feferman–Schütte ordinal: In mathematics, the Feferman–Schütte ordinal Γ0 is a large countable ordinal. It is the proof theoretic ordinal of several mathematical theories, such
• Ordinal notation: an ordinal notation is a partial function from the set of all finite sequences of symbols from a finite alphabet to a countable set of ordinals, and
• Ackermann ordinal: mathematics, the Ackermann ordinal is a certain large countable ordinal, named after Wilhelm Ackermann. The term "Ackermann ordinal" is also occasionally used
• Ordinal number (linguistics): In linguistics, ordinal numbers are words representing position or rank in a sequential order. The order may be of size, importance, chronology, and so
• Limit ordinal: theory, a limit ordinal is an ordinal number that is neither zero nor a successor ordinal. Alternatively, an ordinal λ is a limit ordinal if and only if