interrelationship
nounNAmE//ˌɪntərrɪˈleɪʃnˌʃɪp//
(also interrelation NAmE//ˌɪntərrɪˈleɪʃn//
) [countable, uncountable] interrelationship (of/between A and B)Check pronunciation: interrelationship
Definition of interrelationship noun from the Oxford Advanced American Dictionary