dissociate (
http://definr.com/dissociate)
v 1: part; cease or break association with; "She disassociated
herself from the organization when she found out the
identity of the president" [syn:
disassociate,
divorce,
disunite,
disjoint]
2: regard as unconnected; "you must dissociate these two
events!" [ant:
associate]
3: (chemistry) to undergo a reversible or temporary breakdown
of a molecule into simpler molecules or atoms; "acids
dissociate to give hydrogen ions"