Noun
the number designating place in an ordered sequence
Source: WordNetIn the British Army it is normal to spell out the ordinal number of an army (e.g. First Army), whereas lower formations use figures (e.g. 1st Division). Source: Internet
Each set in this hierarchy is assigned (by transfinite recursion ) an ordinal number α, known as its rank. Source: Internet
Many well-ordered sets with cardinal number ℵ 0 have an ordinal number greater than ω (the latter is the lowest possible). Source: Internet
Other days were denoted by ordinal number, counting back from a named reference day. Source: Internet
The first ordinal number that is not a natural number is expressed as ω ; this is also the ordinal number of the set of natural numbers itself. Source: Internet
The shǔjǐu are the coldest days, and named with an ordinal number, such as Sìjǐu (Zh). Source: Internet