A specified position in a numbered series.

plural of ordinal indicator

A sign adjacent to a numeral denoting that it is an ordinal number, rather than a cardinal number.

plural of ordinal number

(statistics) A variable with values whose order is significant, but on which no meaningful arithmetic-like operations can be performed.

An intercardinal direction.

A scale whose values can be compared; formally, a scale whose set of values is totally ordered.

plural of ordinal variable

plural of ordinal scale

(set theory) An ordinal number which is neither zero nor a successor of an ordinal.