Ordinal Number Definition

ôrdn-əl
noun
Any number used to indicate order (e.g., second, ninth, 25th) in a particular series.
Webster's New World

(grammar) A word that expresses the relative position of an item in an ordered sequence.

First, second and third are the ordinal numbers corresponding to one, two and three.
Wiktionary

(mathematics) A generalized kind of number to denote the length of a well-order on a set.

Wiktionary
Synonyms:
adjective
Attributive form of ordinal number, noun.
Wiktionary

Other Word Forms of Ordinal Number

Noun

Singular:
ordinal number
Plural:
ordinal-numbers

Ordinal Number Sentence Examples

  • This relation-number is the ordinal number corresponding to n; let it be symbolized by it.

  • The definition of the ordinal number requires some little ingenuity owing to the fact that no serial relation can have a field whose cardinal number is 1; but we must omit here the explanation of the process.

  • The ordinal number is the class whose sole member is the null relation - that is, the relation which never holds between any pair of entities.

  • That first discovered is known as Burali-Forti's contradiction,' and consists in the proof that there both is and is not a greatest infinite ordinal number.

  • Where a number is expressed in terms of various denominations, a cardinal number usually begins with the largest denomination, and an ordinal number with the smallest.

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Words Starting With

OORORD

Words Ending With

RERBER

Unscrambles

ordinal number

Words Starting With O and Ending With R

Starts With O & Ends With RStarts With OR & Ends With RStarts With O & Ends With ER

Word Length

14 Letter Words14 Letter Words Starting With O14 Letter Words Ending With R