1. 
[syn: asynchronism, asynchrony, desynchronization, desynchronisation, desynchronizing]
The Collaborative International Dictionary of English v.0.48:
desynchronization \desynchronization\, desynchronizing
\desynchronizing\n.
   a process causing an absence of synchronization; the relation
   that exists when things occur at unrelated times; as, the
   stimulus produced a desynchronizing of the brain waves.
   Syn: asynchronism, asynchrony, desynchronization,
        desynchronisation.
        [WordNet 1.5 +PJC]
WordNet (r) 3.0 (2006):
desynchronization
    n 1: the relation that exists when things occur at unrelated
         times; "the stimulus produced a desynchronizing of the
         brain waves" [syn: asynchronism, asynchrony,
         desynchronization, desynchronisation,
         desynchronizing] [ant: synchroneity, synchronicity,
         synchronisation, synchronism, synchronization,
         synchronizing, synchrony]