adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A system of synchronized transmission found in modern gearboxes to make gear changing easier and smoother. countable, uncountable
2. 2
   an automotive system for shifting gears in which the gears revolve at the same speed and so shift smoothly wordnet
3. 3
   A device which functions like a synchronized transmission. broadly, countable, uncountable

Adjective

1. 1
   Having the quality of smoothly exchanging interlocking forces. not-comparable

Synonyms

All synonyms

automatic transmissioncogwheeldifferentialdifferential gearfreewheelgear

Etymology

From synchro- + mesh.

Related phrases

synchromesh gearboxsynchromesh transmission

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.