You searched for: “synchronizations”
synchronization (s) (noun), synchronizations (pl)
The relation that is present when things happen at the same time; synchronism: The leader said that the synchronization of the hikers watches was of utmost importance.

With precise synchronisation the boys jumped into the swimming pool.

This entry is located in the following units: -ation, -ization (-iz[e] + -ation); -isation (British spelling variation) (page 90) chrono-, chron- (page 10) Radio Frequency Identification (RFID): Definitions (page 9)