ordinal

adj 1: of or relating to a taxonomic order; "family and ordinal

names of animals and plants"

2: being or denoting a numerical order in a series; "ordinal

numbers"; "held an ordinal rank of seventh" [ant: {cardinal}]

n : the number designating place in an ordered sequence [syn: {ordinal

number}, {no.}]

ordinal

An {isomorphism class} of {well-ordered set}s.

(1995-03-10)