self-changing

English

Etymology

From self- +‎ changing.

Adjective

self-changing (not comparable)

1. Of a gearbox / transmission that changes gear automatically to a preselected gear.
   • 1960 September, “Inter-city diesel units for the Hull-Liverpool service of the N.E.R.”, in Trains Illustrated, page 561:

     The gearbox is of the self-changing compound epicyclic SE.4 type, with Sinclair fluid coupling, having a maximum torque of 750 lb./ft.

References

• “self-changing”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.