synchronization

英[,sɪŋkrənaɪ'zeɪʃən] 美[,sɪnkrənaɪ'zeʃən]

1. the relation that exists when things occur at the same time;

"the drug produces an increased synchrony of the brain waves"

2. an adjustment that causes something to occur or recur in unison

3. coordinating by causing to indicate the same time;

"the synchronization of their watches was an important preliminary"