ordinal number
An "ordinal number" represents the position or rank of an item within a sequence, such as first, second, or third.
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Definition
B1General
(common)A number indicating the position or rank of an item in a sequence.
Example
- She finished in second place in the race.
- The book is on the third shelf.
C1Mathematics
(technical, academic)A number used to denote the position of an element in a well-ordered set.
Example
- In set theory, an ordinal number represents the order type of a well-ordered set.
Similar
Terms that have similar or relatively close meanings to "ordinal number":