ordinal number

Meaning

1. A word that expresses the relative position of an item in a sequence.
2. A natural number used to denote position in a sequence.
3. Such a number generalised to correspond to any cardinal number (the size of some set); formally, the order type of some well-ordered set of some cardinality a, which represents an equivalence class of well-ordered sets (exactly those of cardinality a) under the equivalence relation "existence of an order-preserving bijection".

Synonyms

ordinal

serial number

no.

🙅

ordinal numeral

as in

Translations

Ordnungszahl

Ordinalzahl

rangtelwoord

ordinal

numero ordinale

nombre ordinal

número ordinal

Ordnungszahlwort

Ordinale

número ordinal

ranggetal

numerale ordinale

ordinal