nonassociated

adjective
non·​as·​so·​ci·​at·​ed | \ ˌnän-ə-ˈsō-shē-ˌā-təd How to pronounce nonassociated (audio) , -sē-\

Definition of nonassociated

: not associated with someone or something else : unassociated especially, of natural gas : not found in the same reservoir with petroleum deposits When wells are drilled along this coast, they commonly encounter "nonassociated" gas—natural gas not associated with oil—under very high pressure. — Barry Commoner