ordinal number (suomeksi)

ordinaaliluku (s: numeraali / arithmetic: number used to denote position in a sequence)
järjestyslukusana (s: grammar: word used to denote relative position in a sequence)
ordinaalilukusana (s: grammar: word used to denote relative position in a sequence)
järjestysluku (s: arithmetic: number used to denote position in a sequence)
ordinaali (s: generalized kind of number to denote the length of a well-order on a set)