共きょう通つう集しゅう合ごうきょうつうしゅうごうじ字FuriganaMeanings1nounintersection (of sets)mathematics›Mathematical term for the set of elements common to two or more sets. Often contrasted with 和集合 (union).See also: 積集合AとBの共きょう通つう集しゅう合ごうを求もとめなさい。Find the intersection of A and B.共きょう通つう集しゅう合ごうが空くう集しゅう合ごうになる場ば合あいもある。The intersection can also be an empty set.