直ちょく積せき集しゅう合ごうちょくせきしゅうごうじ字FuriganaMeanings1noundirect product; Cartesian productmathematics›Mathematical term for the set of all ordered pairs (or tuples) from given sets. Used in set theory, algebra, and topology.集しゅう合ごうAと集しゅう合ごうBの直積ちょくせきしゅ集合うごうをえーかけるをA
