An n-tuple consists of n objects normally taken in a particular order, denoted, for example, by (x1,x2,…,xn). The term is a generalization of a triple when n = 3 and a quadruple when n = 4. When n = 2 it is an ordered pair.
Computer
An ordered set with an unspecified but finite number (n) of elements. SeeCartesian product, ordered pair.