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See: Ordinal Value, Ordinal Scale(Ordered Set), Ordinal Function(Ordinal-Output Function), Ordinal Space, Cardinal, Nominal.


  • (WordNet, 2009) ⇒ http://wordnetweb.princeton.edu/perl/webwn?s=ordinal
    • S: (n) ordinal number, ordinal, no. (the number designating place in an ordered sequence)
    • S: (adj) ordinal (of or relating to a taxonomic order) "family and ordinal names of animals and plants"
    • S: (adj) ordinal (being or denoting a numerical order in a series) "ordinal numbers"; "held an ordinal rank of seventh"
  • http://en.wiktionary.org/wiki/ordinal
    • Adjective
      • 1. Of a number, indicating position in a sequence.
  • http://en.wiktionary.org/wiki/ordinal_number
    • Noun
      • 1. (grammar) A word that expresses the relative position of an item in an ordered sequence. First, second and third are the ordinal numbers corresponding to one, two and three.
      • 2. (arithmetic) A number used to denote position in a sequence. In the expression a3, the "3" is an ordinal number.
      • 3. (mathematics) A generalized kind of number to denote the size of a well-ordered set.