(mathematics) A family of sets sharing no elements in common; sets whose intersection is the empty set.

(mathematics, set theory, of a collection of two or more sets) Let A_𝜆_(𝜆∈𝛬) be any collection of sets indexed by a set 𝛬. We call the indexed collection pairwise disjoint if for any two distinct indices, 𝜆,𝜇∈𝛬, the sets A_𝜆 and A_𝜇 are disjoint.

plural of disjoint union topology

plural of disjoint union

plural of disjointure

An instance or state of being disjoint; separation.