ordinal number (redirected from Ordinals)

ordinal number

The number that identifies the sequence of an item, for example, record #34. Contrast with cardinal number.

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ordinal number

1. a number denoting relative position in a sequence, such as first, second, third

2. Logic Maths a measure of not only the size of a set but also the order of its elements

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ordinal number [′ȯrd·nəl ′nəm·bər]

(mathematics)

A generalized number which expresses the size of a set, in the sense of “how many” elements.