noun
direct product; Cartesian product
Mathematical term for the set of all ordered pairs from two sets. In Japanese mathematics, 直積 is the standard translation.
集合Aと集合Bの直積をA×Bと書く。
The direct product of sets A and B is written as A×B.
直積集合の要素は順序対である。
The elements of a Cartesian product set are ordered pairs.