dissociate (v.)

1.separate into parts or portions"divide the cake into three equal parts" "The British carved up the Ottoman Empire after World War I"

2.to undergo a reversible or temporary breakdown of a molecule into simpler molecules or atoms"acids dissociate to give hydrogen ions"

3.regard as unconnected"you must dissociate these two events!" "decouple our foreign policy from ideology"

4.part; cease or break association with"She disassociated herself from the organization when she found out the identity of the president"