共きょう通つう部ぶ分ぶん

noun, noun which may take the genitive case particle 'no'

intersection (of sets); common set

Mathematical term for the set of elements common to two or more sets. Also used as a no-adjective.

See also: 積集合

• 集しゅう合ごうAと集しゅう合ごうBの共きょう通つう部ぶ分ぶんを求もとめなさい。

  Find the intersection of set A and set B.

• この二ふたつの円えんの共きょう通つう部ぶ分ぶんに色いろを塗ぬってください。

  Please color the common area of these two circles.