(automotive) Part of a synchromesh manual transmission that allows the smooth engagement of gears.

present participle of synchronize

The state of being synchronous. / A temporal relationship between events. / The tabular arrangement of contemporary events etc. in history.

plural of synchronization

In a synchronic way; at the same time.

Synchronicity.

The state or characteristic of being synchronous or synchronized.

Synchronous; simultaneous.

Happening at the same time; synchronous.

plural of synchronizer