nonconnection       
noun [ U ] (also non-connection) uk/ˌnɒn.kəˈnek.ʃən/ us/ˌnɑːn.kəˈnek.ʃən/
 无关联;不相连
a situation in which there is no connection between people or things
  Their relationship follows an unpredictable course of connection and nonconnection.
 The arteries were considered abnormal when they showed non-connection with the aorta. 当动脉与主动脉不相连时,认为动脉异常。 
 - More examples
 - Three types of relationship can be detected in the present data: parent-child, connection and non-connection.
 - We need to understand the non-connection between stated rules and actual patterns of behaviour.
 - A yogi should have extraordinary non-connection: non-connection ultimately brings opportunity and everlasting life.
 
Opposite: