SpellRight › Spelling
Rareordinal number
The correct spelling is ordinal number.
How to pronounce ordinal number
noun
Say it like: Ord-ina-l n-umb-er
The correct spelling is ordinal number. (grammar) A word that expresses the relative position of an item in a sequence. For example: "First, second and third are the ordinal numbers corresponding to one, two and three."
Usage Examples
“First, second and third are the ordinal numbers corresponding to one, two and three.”
“In the expression a3, the "3" is an ordinal number.”
Definition
noun
- 1.(grammar) 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".
Similar words
Words related in meaning — check their spelling too.