1.
[syn: synchronism, synchrony, synchronicity, synchroneity, synchronization, synchronisation, synchronizing]
The Collaborative International Dictionary of English v.0.48:
Synchrony \Syn"chro*ny\, n.
The concurrence of events in time; synchronism. [R.]
[1913 Webster]
Geological contemporaneity is the same as chronological
synchrony. --Huxley.
[1913 Webster]
WordNet (r) 3.0 (2006):
synchrony
n 1: the relation that exists when things occur at the same
time; "the drug produces an increased synchrony of the
brain waves" [syn: synchronism, synchrony,
synchronicity, synchroneity, synchronization,
synchronisation, synchronizing] [ant: asynchronism,
asynchrony, desynchronisation, desynchronization,
desynchronizing]