Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “ordinal number”

ordinal number

noun [C]     /ˌɔːdɪnəlˈnʌmbər/ (also ordinal)
a number such as 1st, 2nd, 3rd, etc that shows the order of things in a list Numbers generally
(Definition of ordinal number noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Translations of “ordinal number”

Word of the Day


relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More