1) Of or relating to an order, as of animals or plants.
2) Of or relating to order, rank, or position in a series.
3) → ordinal number.
M.E., from O.Fr., from L.L. ordinalis "denoting order or place in a series," from
L. ordo (genitive ordinis) "row, series," → order;
→ order; → -al.
عدد ِ رایهیی
Fr.: nombre ordinal
1) A number which defines the position or rank of something in a series, in contrast to
→ cardinal number. For example, first,
second, tenth, etc.
2) In → set theory, the order type of a
→ well-ordered set. Also called ordinal.
→ ordinal; → number.